What is Blocks: Definition and 767 Discussions

Code::Blocks is a free, open-source cross-platform IDE that supports multiple compilers including GCC, Clang and Visual C++. It is developed in C++ using wxWidgets as the GUI toolkit. Using a plugin architecture, its capabilities and features are defined by the provided plugins.
Currently, Code::Blocks is oriented towards C, C++, and Fortran. It has a custom build system and optional Make support.
Code::Blocks is being developed for Windows and Linux and has been ported to FreeBSD, OpenBSD and Solaris. The latest binary provided for macOS version is 13.12 released on 2013/12/26 (compatible with Mac OS X 10.6 and later), but more recent versions can be compiled and MacPorts supplies version 17.12.

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  1. C

    Two blocks and compressed spring

    Two blocks with masses m1 = 1.2 kg and m2 = 3.5 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 65.0 cm and has negligible mass. When both blocks are released simultaneously and the spring has dropped to the surface, m1 is...
  2. R

    Blocks on a slant(with friction)

    This is the problem: Three blocks on a frictionless incline are in contact with each other as shown in the following figure. A force F is applied to block 1 (mass m1), so the whole system moves up the incline. a) Draw a free body diagram for each block. b) Determine the acceleration of the...
  3. H

    Find the x Coordinate of the Center of Mass of 3 Chocolate Blocks

    Homework Statement Three odd-shaped blocks of chocolate have the following masses and center-of-mass coordinates: (1) 0.310 kg, ( 0.200 m, 0.310 m); (2) 0.410 kg, ( 0.110 m, -0.380 m); (3) 0.200 kg, ( -0.280 m, 0.610 m). Find the x coordinate of the center of mass of the system of three...
  4. K

    Two Blocks, Massless Rope. Pulley

    Homework Statement The two blocks, m1 = 3.3 kg and m2 = 4.2, in the figure below are connected by a massless rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.35 Nm. If the blocks...
  5. C

    What is the acceleration of a falling mass attached to a pulley system?

    A block of mass m1 = 3 kg rests on a table with which it has a coefficient of friction µ = 0.7. A string attached to the block passes over a pulley to a block of mass m3 = 5 kg. The pulley is a uniform disk of mass m2 = 0.4 kg and radius 15 cm. As the mass m3 falls, the string does not slip on...
  6. N

    Solving Physics Problem: Find a_2 of 2 Blocks, 2 Pulleys

    A block of mass m_1 is attached to a massless, ideal string. This string wraps around a massless pulley and then wraps around a second pulley that is attached to a block of mass m_2 that is free to slide on a frictionless table. The string is firmly anchored to a wall and the whole system is...
  7. F

    Two blocks with Tension and Friction

    Homework Statement Basically, everything is on this link. I'm not sure where to start with it. http://hsfs2.ortn.edu/myschool/_APphysicsB/B_Newtons_Laws_II/Homework%20Folder/Assignment%20%235%20(FR%20Packet%20%234)%20-%20blank.pdf Help would be really appreciated!
  8. T

    Solving Acceleration of Blocks in Pulley System

    Homework Statement Pulley System: B-------O //// ////// | | | | | | ---O--- | B O = Pulley B = Block Find the acceleration of each block in terms of m1,m2 and g. Homework Equations F = ma The Attempt at a Solution I drew free body diagrams for each block...
  9. H

    2 Blocks, 1 Cord [Acceleration, Tension]

    Homework Statement Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless planes: Which way will the system move when the blocks are released from rest? Right or left? What is the acceleration of the blocks? What is the tension in the cord? Homework...
  10. B

    Pulley & Block Problem: Forces & Acceleration

    A friend of mine gave me this problem, and it was somewhat hard: A rectangular block of mass M1 rests on a horizontal table. Masses M2 and M3 are free to slide along the surfaces of M1 and are attached by a massless string over a frictionless pulley. For the diagram, go to...
  11. S

    How Do You Calculate Tension in a String Connecting Two Blocks on a Ramp?

    Homework Statement In Fig. 6-48, block 1 of mass 1.8 kg and block 2 of mass 2.9 kg are connected by a string of negligible mass and are initially held in place. Block 2 is on a frictionless surface tilted at = 38o. The coefficient of kinetic friction between block 1 and the horizontal surface...
  12. S

    Calculating Acceleration of Blocks on a Ramp

    Homework Statement In Fig. 6-35, blocks A and B have weights of 51 N and 23 N, respectively. (a) Determine the minimum weight of block C to keep A from sliding if μs between A and the table is 0.23. (b) Block C suddenly is lifted off A. What is the acceleration of block A if μk between A and...
  13. B

    Force on Blocks: Fig. 5-1a & b, Mass 30 kg, Forces 28 & 14 N

    Fig. 5-1a shows two blocks on a smooth surface. A constant horizontal force Fa is applied to block A, which pushes against block B with a 28.0 N force horizontally to the right. In Fig. 5-1b, the same force Fa is applied to block B so that block A pushes on block B with a 14.0 N force...
  14. C

    Two blocks hanging on an incline

    Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 = 39.0 kg, M2 = 37.0 kg, and θ = 36°. Calculate the tension in the string connecting the two blocks. Calculate the tension between...
  15. L

    Solving for Speed of Blocks in Uniform Pulley System

    Homework Statement A pulley is a uniform cylindrical disk of mass m and radius r. The strings are massless and there is no friction. If the system is initially at rest, find the speed of the blocks (m1 and m2) after they have moved a distance d. m1----------0 **********l **********l...
  16. N

    Find RPM at which Lower Cord Goes Slack in Figure 5.72

    Homework Statement In http://session.masteringphysics.com/problemAsset/1007030/9/yf_Figure_5_72.jpg I have to find the number of revolutions per minute at which the lower cord goes slack. The Attempt at a Solution I just need to be sure: What they are asking me to find is the number...
  17. N

    Equilibrium of Frictioned Blocks on Wall: A Puzzling Problem

    Homework Statement Consider a smooth vertical wall against which a block is placed.Another block is also placed in contact with the earlier inner block.An external force F is acting horizontally on the outer block towards the wall.There is friction between the two blocks,but no friction...
  18. J

    Calculating Tension in Connecting String of Two Blocks

    Homework Statement Two forces acting on two blocks A and B are connected with a string between them. Force FA = (16 N) acts on block A, with mass 5.2 kg. Force FB = (24 N) i acts on block B, with mass 6.0 kg. What is the tension in the string? Homework Equations F = ma The...
  19. E

    Solving a Physics Problem Involving Two Blocks Connected by a Cord

    Homework Statement A block with mass 6.00kg resting on a horizontal surface is connected by a horizontal cord passing over a light frictionless pulley to a hanging block with mass 4.00kg. The coefficient of kinetic friction between the block and the horizontal surface is 0.50. After the blocks...
  20. M

    2 blocks, on ontop of the other

    Homework Statement block A is ontop of block B. block A more mass than B Which force is greater magnitude, Force of gravity (mg (weight) on block B, or force of block A on B? Wouldnt answer have to be Faonb because both blocks are subject to gravity? Homework Equations The...
  21. M

    2 blocks being pulled across the floor

    Homework Statement A block of mass m1 = 2 kg and a block of mass m2 = 3 kg are tied together and are pulled from rest across the floor by a force of P = 22 N. The coefficient of friction of the blocks with the floor is µ = 0.26. m1 is on left, pulling force on right Homework Equations...
  22. C

    Three Blocks with Forces: Calculating Contact Forces

    Three blocks are in contact with each other on a frictionless horizontal surface with m1=1kg m2=2kg m3=3kg A horizontal force of 24N is applied to M1. a) Find the acceleration of the three blocks b) Find the net force on each block c) Find the magnitude of the contact forces...
  23. S

    Tension of rope between two blocks

    Homework Statement let's say we have 2 blocks as shown. []->T1----T1-<--[] both blocks are joined by a common rope having a tension T.lets say when the blocks are pulled apart, the tension acts in the direction on the blocks as shown in figure as they try to prevent the sting from...
  24. M

    Two blocks on an incline, trying to find acceleration

    Homework Statement 2 identical blocks tied together with a string that passes over a pulley at creast of inclined planes One makes an angle of (theta1) 28deg to horizontal other makes angle of (theta2) 62deg to horizontal Homework Equations if no friction, then with what...
  25. S

    Newton's laws and 3 wooden blocks are pushed across a friction-less floor

    urgent-Newton's laws I need help with this question(halliday, resnick and walker, fifth edition, chapter 5 , question 14): PS: I can't draw the figure so I am explaining it as much as possible. 3 wooden blocks are pushed across a frictionless floor.The blocks have masses of 5kg, 2kg and...
  26. R

    Max Compression of Frictionless Blocks & Spring

    Homework Statement A block with mass m_1 = 2 \textrm{kg} slides along a frictionless table with a speed of 10 m/s. Directly in front of it and moving in the same direction is a block of mass m_2 = 5 \textrm{kg} moving at 3 m/s. A massless spring with spring constant k = 1120 N/m is attached...
  27. S

    How Does Mass and Friction Affect Acceleration in a Pulley System?

    Homework Statement A block of mass m1 = 2 kg rests on a table with which it has a coefficient of friction µ = 0.56. A string attached to the block passes over a pulley to a block of mass m3 = 4 kg. The pulley is a uniform disk of mass m2 = 0.6 kg and radius 15 cm. As the mass m3 falls, the...
  28. P

    Finding the masses of two blocks in a pulley system using work-energy theorem

    Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. The masses are released from rest, and the more massive one starts to descend. After this block has descended a distance 1.00m , its speed...
  29. M

    Solving Two Blocks Friction Homework

    Homework Statement A small box of mass m_1 is sitting on a board of mass m_2 and length L. The board rests on a frictionless horizontal surface. The coefficient of static friction between the board and the box is mu_s. The coefficient of kinetic friction between the board and the box is...
  30. P

    Two Blocks, Springs, and Friction

    Homework Statement This problem has actually been on here twice (with varying numbers) but not yet solved entirely A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The...
  31. P

    The Mystery of Magnetic Blocks - Operation & Use

    At work we have these magnetic blocks which have arms attached to them for dial indicators. They are use to hold the dial indicators like an extra pair of hands. They work great. My question is how do they work!? The magnetic block has a switch on it. This switch will turn the magnet on...
  32. V

    2 blocks one over the edge with a pulley

    Homework Statement I have 2 blocks of mass M one on a frictionless horizontal surface the other hanging over the edge of the surface connected by a string of length l. The string goes over a pulley of mass m. Find the acceleration. Homework Equations PE = mgh KE = 1/2mv^2 The...
  33. S

    Momentum, 2 blocks and a spring

    Diagram here ---> http://capaserv.physics.mun.ca/msuphysicslib/Graphics/Gtype16/prob25_En_Mom_conserve.gif A spring of negligible mass is compressed between two masses on a frictionless table with sloping ramps at each end. The masses are released simultaneously. The masses have the same...
  34. B

    Find Speed of Blocks w/ Pulley & Spring

    A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 250 N/m, as shown in the figure. The spring is unstretched when the system is as shown...
  35. L

    Blocks stacked on an edge - max dist. b4 they fall?

    The question is "Two identical uniform bricks of length 18 cm are stacked over the edge of a horizontal surface with the maximum overhand possible without falling." |<-- 18 cm -->| +-------------+ | block 1 | +-------------+ +-------------+ | block 2 |...
  36. B

    Newton's Laws and Friction Applied to Blocks

    Given: 2 wedge shaped blocks arranged as a rectangle. The bottom block is on a frictionless horizontal surface. Horizontal force Q is applied to the vertical side of the bottom block. Find Q max, the maximum value of Q where there is no slipping, in terms of us, m, and theta. Masses: m and m...
  37. S

    Solve Connected Blocks Problems: Magnitude of Force & Tension Calculations

    Connected Blocks HeLP! I have two questions reguarding connected blocks (that are driving me crazy): 1. Two blocks in contact with each other move to the right across a horizontal surface(frictionless). Determine the magnituede of the force exerted on the 2.2kg block by the 8.2kg block...
  38. H

    2 blocks connected by a metal pull on an inclined plane

    The problem is I have two blocks on an inclined plane. They are connected by a metal rod. The bottom(2) mass provides the dominate force. Fiction is involved. They have different kinetic coefficients of friction. I need to know the acceleration of the system and the tension in the rod...
  39. mbrmbrg

    Force on Two Blocks: Find F, Acceleration

    A block of mass 4.0 kg is put on top of a block of mass M = 5.5 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 18 N must be applied to the top block. The assembly of blocks is now placed on a horizontal, frictionless...
  40. T

    Elastic potential energy of two blocks of mass

    Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them. A cord initially holding the blocks together is burned; after this, the block of mass 3M moves to the right...
  41. C

    Linear Indepedence of Egienvectors and Jordon blocks

    Hi everyone, I had couple questions: 1) If I want to proof that egienvectors are linearly indpendent by induction, how do so? I do understand that I can start with a dimension of 1 and assume v1 to be a non zero vector so hence a linear indepedent, what do I do after that for other cases...
  42. V

    Horizontal force of pushed blocks

    Two blocks (M1 = 5kg and M2= 10kg) are pushed so that M1 is not touching the ground (in the air). The horizontal surface is frictionless but there is a friction between the two blocks (mu_k = .4 and mu_s = .5). Find the minimum force F needed so that M1 will remain "in the air" as the blocks...
  43. L

    Blocks and Spring Mechanics Question

    When I first read this question I thought it would be simple to solve but apparently it's not, I'm having some difficulty with it. "Two blocks can collide in a one-dimensional collision. The block on the left hass a mass of 0.40 kg and is initially moving to the right at 2.4 m/s toward a...
  44. L

    Three blocks, two suspended, one on an incline

    Hi. I'm having a dickens of a time coming up with the correct answer for this. I shall describe the question as it includes an image. There are three blocks altogether, b_1, b_2, b_3, each with a mass m_1, m_2, and m_3, respectively, and the blocks are all connected together by two ropes, T_1...
  45. M

    Forces, blocks, cords, and springs

    sorry, couldn't think of a better title anyways, I'm somewhat stuck on 2 questions i have in my homework assignmentfirst one:Three blocks are supported using the cords and two pulleys. If they have weights of WA = WC= W, WB= kW, determine the angle (theta) for equilibrium. Given: k = 0.25...
  46. S

    How Does a Glass Block Affect the Convergence Point of Light Rays?

    Two non-parallel light rays initially converge to a single point on a screen. A rectangular block of glass is now placed somewhere in front of the screen, in the path of the light rays, so that the glass surface is parallel to the screen. Where is the new convergence point of the rays? 1...
  47. K

    Questions about Energy Blocks?

    Hello, Many people talk about "Energy blocks". Many alternative therapies are based on it. We can think something about variations in blood flow as a mechanism of "blood flow controls/regulations" which may alter blood flow, cause cogestions, vasodilations and vasoconstrictions etc. There...
  48. V

    How Does Charge Affect Spring Compression in a Frictionless System?

    two small blocks are resting (and touching) side-by-side on a frictionless tabletop. the block on the left is connected to a wall to the left of it by a spring having stiffness constant k=75 N/m. the one on the right is connected to a wall on to the right of it by a spring of k=50 N/m. when the...
  49. J

    Elastic Collision of two wood blocks

    Two blocks are free to slide along a frictionless wooden track ABC as shown in Figure P9.20. The block of mass m1 = 5.07 kg is released from A. Protruding from its front end is the north pole of a strong magnet, repelling the north pole of an identical magnet embedded in the back end of the...
  50. P

    Two blocks stacked on one another

    hey guys, i was wondering if you could please help me question: The coefficient of static friction is 0.60 between the two blocks in figure. The coefficient of kinetic friction between the lower block and the floor is 0.20. Force F_vec causes both blocks to cross a distance of 5.0 m, starting...
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