Mechanics Forum

Post thread
Undergrad Unfletched Arrow Spin: A Mystery of Bow Mechanics
  • · Replies 11 ·
Replies
11
Views
10K
Undergrad Impact differences in sledge hammer sizes
  • · Replies 2 ·
Replies
2
Views
24K
Undergrad Impact Parameter: Solving Collision Problems
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Moving a body into a circle of uniform motion
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the Speed of the Signal/Current from Switch to Lamp?
  • · Replies 10 ·
Replies
10
Views
3K
High School Using a microphone to view sound waves on an oscilloscope
  • · Replies 4 ·
Replies
4
Views
20K
Graduate Leakage rate between two pipes & gasses
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the rope tension calculation for assembling transmission tower sections?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Moment of Inertia of a cylinder with varying density
  • · Replies 1 ·
Replies
1
Views
8K
Graduate Velocity distribution of particles in an arbitrary-arrangement of rotating gases
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Consequences of large-scale mass redistribution on Earth's surface
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Quick Question: How Did Newton Explain Newton's Rings?
  • · Replies 2 ·
Replies
2
Views
5K
High School Do Mass and Friction Affect Velocity on an Inclined Plane?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Orifice Diameter Impact on Vortex Formation
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Why does blood pressure drop as you get farther from the left ventricle?
  • · Replies 10 ·
Replies
10
Views
29K
Undergrad Power generation using buoyancy, gravity and compressed air
  • · Replies 7 ·
Replies
7
Views
9K
Undergrad Conservation of Energy: Solving for Δv, Integrals, Derivatives
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Archimedes and golden crown 2 part question
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Friction Coefficient for Design Materials: PTFE, PP, PVDF, etc.
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad A liquid matter from a solid matter with a help of ultrasound?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Chimney Falls: Why & Where? What's the Mystery of Gravity?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Intuitive statistical mechanical explanation for thermodynamic 2nd law
  • · Replies 5 ·
Replies
5
Views
3K
High School Hi every one, My question is what should be a pressure in a open end
  • · Replies 1 ·
Replies
1
Views
2K
High School Can You Block Sound Waves Entirely?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Rolling motion interrupted by a step (shorter than the radius)
  • · Replies 11 ·
Replies
11
Views
5K
Undergrad Solving a 2D Physics Problem with Unknown Circle Equation
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Moments & Pendulum: Different Lengths, Same Oscillation?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Contour maps, turn based gaming, and space travel
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Deposition of salt from evaporated water
  • · Replies 1 ·
Replies
1
Views
2K
High School How Does a Balloon Experiment Demonstrate Newton's Third Law of Motion?
  • · Replies 8 ·
Replies
8
Views
5K
High School Weird physics statement in driver safety manual
  • · Replies 4 ·
Replies
4
Views
2K
Graduate What is finite elasticity talking about?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Aerodynamics: airsoft BB travel down a long metal barrel
  • · Replies 3 ·
Replies
3
Views
10K
Undergrad Weightless in Free Fall: Understanding the Physics Behind a Massless State
  • · Replies 10 ·
Replies
10
Views
5K
Undergrad Measuring the density of an aircraft carrier
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad What Causes Rotation in a Non-Rotating Magnet?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Cutting through hardened steel with muscle power
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Impulse vs Fnet relation to damage?
  • · Replies 4 ·
Replies
4
Views
2K
High School Solving Mechanics Queries: Q1-Q3
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Effect on rolling motion after an inelastic collision.
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Negative acceleration, deceleration and decreasing acceleration
  • · Replies 4 ·
Replies
4
Views
37K
High School Conceptual Question about Buoyancy
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Clarifications regarding frame of reference.
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Does Higher emf Affect Electron Flow?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Rolling without slipping on application of impulse
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Displacement after Time T in a Velocity Field
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Lagrangian Mechanics: Variable Mass System?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Rolling problem - disc on disc
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Complicated Catapult/Conservation of Energy Test Question
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Can a yoyo spin like spintop while flying around the air?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why harder to turn motorbike handle at high speed?
  • · Replies 18 ·
Replies
18
Views
8K
Graduate Fluid Pressure Question (not a homework problem)
  • · Replies 2 ·
Replies
2
Views
3K
High School Which Fan Is Best for Vertical Lift in Toy Projects: Axial or Centrifugal?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Why is it harder to hammer in a nail the deeper it gets?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad What Software Is Best for Simulating Particle Trajectories in 3D?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Calculate the acceleration of a vehicle
  • · Replies 14 ·
Replies
14
Views
21K
Undergrad Emailanmol's discussion on angular displacement
  • · Replies 20 ·
Replies
20
Views
7K
Undergrad How does the presence of a metal tube affect the magnetic field in a solenoid?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How Much Friction is Desirable
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Physics Project help What relationships should there be?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Can You Tell Difference in Wheels Spinning/Not in a Box?
  • · Replies 19 ·
Replies
19
Views
14K
Undergrad Potential energy of a two-body system
  • · Replies 8 ·
Replies
8
Views
7K
Software for drawing simple objects and vectors (free body diagrams)?
  • · Replies 6 ·
Replies
6
Views
19K
Undergrad How Do You Calculate the Angular Speed of a Billiard Ball After a Strike?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Kinetic energy of a rotating disc
  • · Replies 6 ·
Replies
6
Views
28K
Undergrad A pendulum impact hammer setting objects off on a frictionless surface.
  • · Replies 2 ·
Replies
2
Views
3K
High School Why do moving objects stay balanced
  • · Replies 6 ·
Replies
6
Views
3K
High School What increases when water flows down in a pipe: pressure, speed or both?
  • · Replies 3 ·
Replies
3
Views
6K
High School Understanding conservation of momentum
  • · Replies 1 ·
Replies
1
Views
2K
High School Lifting yourself up while seated
  • · Replies 19 ·
Replies
19
Views
16K
Undergrad 3 balls connected by massless strings
  • · Replies 10 ·
Replies
10
Views
4K
Undergrad What Factors Influence the Tilt Angle of a Spinning Top's Precession?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Normal Forces on Tyres while cornering
  • · Replies 13 ·
Replies
13
Views
8K
Graduate Torque in a non inertial reference frame
  • · Replies 14 ·
Replies
14
Views
9K
Graduate Two Particles in a Box: Similar Velocities, Momentum, or Kinetic Energy?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Understanding String Tension in Circular Motion
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is the lift force on a car's roof at 100km/hr with an area of 3.9m^2?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Water vapor and air - questions
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How Do You Calculate Spring Constants and Vibrations Using the GUESS Method?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Conservation Of Momentum question
  • · Replies 1 ·
Replies
1
Views
2K
High School Think of an interesting physics problem
  • · Replies 4 ·
Replies
4
Views
2K
High School Faster the object from a certain height?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Conservation of momentum in pulley
  • · Replies 2 ·
Replies
2
Views
6K
High School Conceptual Question About Simple Motion
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the Law of Cosines and how can it be used to solve vector sums?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How Does Spring Length Affect Compression Under Hooke's Law?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Storing energy in a bouncing ball
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Problem with f=ma and E=0.5mv^2
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Conservation of Momentum: Union & Separation Law
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Unfamiliar formulation of Stokes Problem
  • · Replies 4 ·
Replies
4
Views
2K
High School Building a Physics Machine: 6 Concepts, 12 Units
  • · Replies 15 ·
Replies
15
Views
5K
High School Distance travelled by a falling object
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Question about Firing tank shell in freefall
  • · Replies 16 ·
Replies
16
Views
6K
Undergrad Pseudo forces are real forces?
  • · Replies 12 ·
Replies
12
Views
5K
High School How Newton approximated force as change of momentum?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Buoyant force of air negligible?
  • · Replies 1 ·
Replies
1
Views
5K
Graduate 2 classic helicoid in rotation with different pressure
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Let us review about rocket move
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Representing dv independent of time?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Direction of the work done by force of friction
  • · Replies 32 ·
2
Replies
32
Views
8K