Mechanics Forum

Post thread
Undergrad What is the force on the wire given the information below....
  • · Replies 6 ·
Replies
6
Views
2K
High School Difference between viscuous force and drag force?
  • · Replies 15 ·
Replies
15
Views
10K
Undergrad 2D trajectory calculation with constant force
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Gravitational Work: Ball & Earth Interaction Analysis
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What Is the Energy Source for Wing Lift in Airplanes?
  • · Replies 18 ·
Replies
18
Views
2K
Graduate Negative amount of particles in statistical mechanics
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is Torque Relevant in Projectile Motion?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Resistive Force Proportional to Object Speed Squared
  • · Replies 1 ·
Replies
1
Views
4K
High School Why Is Acceleration Due to Gravity a Constant? - Comments
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Integrating the gravity formula?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Conservation of mass-energy in time travel
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Calculate v - w*r: Vector, Cross Product
  • · Replies 5 ·
Replies
5
Views
4K
High School Work needed to rotate armature of a generator
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Conservation of Momentum 2D Collision angles/directions
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad What Were the Key Arguments in the Early Classical Physics Water Pump Debate?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Torque on a fixed reference of falling masses
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the Force of a Water Jet After Hitting a Block?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad A problem with Gravitational and Elastic Potential Energy
  • · Replies 7 ·
Replies
7
Views
1K
Graduate How do you solve this 2nd ODE for a pendulums displacement...
  • · Replies 1 ·
Replies
1
Views
877
Undergrad GPE: How Does an Object Gain Potential Energy?
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad What is [s]motion[/s] moment of inertia of an equilateral triangle?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Investigating Fictitious Forces in Car Acceleration
  • · Replies 12 ·
Replies
12
Views
2K
Undergrad Source of potential energy of body made in space falling
  • · Replies 9 ·
Replies
9
Views
1K
Undergrad Mathematical Proof That a 45 Degree Angle Launch is Best for
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad A better understanding of rolling friction
  • · Replies 23 ·
Replies
23
Views
4K
Graduate How is the chemical potential defined when keeping entropy and volume constant?
  • · Replies 6 ·
Replies
6
Views
1K
Undergrad Would the upward force be equal to weight of immersed body
  • · Replies 16 ·
Replies
16
Views
3K
High School Force needed to pull something from something liquid
  • · Replies 3 ·
Replies
3
Views
2K
High School Drag time of terminal velocity?
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Can Virtual Particles Have Infinite and Negative Acceleration?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad How Much Water is Needed to Increase Pipeline Pressure for a Hydro Test?
  • · Replies 4 ·
Replies
4
Views
2K
High School Potential energy in 2 gravity fields
  • · Replies 1 ·
Replies
1
Views
882
Undergrad Travelling to Mars at constant velocity? Weightless?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Question about the General Constitutive Law (mathy)
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Force of hand on block = F of block on hand, not adding up?
  • · Replies 8 ·
Replies
8
Views
2K
High School Understanding Hooke's Law: Confusion with F=ks and F=-ks Explained
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How do I measure a the period of a bifilar pendulum?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad What happens when you rotate a rigid body
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Ultrasound Attenuation: Why Power Ratio?
  • · Replies 3 ·
Replies
3
Views
2K
High School Potential Difference between earth and battery
  • · Replies 12 ·
Replies
12
Views
4K
Undergrad The Mystery of Center of Gravity (CoG) and Center of Mass (CoM)
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Vapor Pressure Curve on the PVT Diagram
  • · Replies 26 ·
Replies
26
Views
5K
Graduate Balloon Pipe Expt: Reviews Needed for Thought Experiment
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Flywheel Leg Press Design - How is this being calculated?
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad My possible misunderstanding on a freely falling object
  • · Replies 39 ·
2
Replies
39
Views
4K
High School Angular momentum of a half filled waterbottle....
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad Understanding Torque: Magnitude and Direction
  • · Replies 19 ·
Replies
19
Views
2K
Undergrad Modeling projectile motion as subject to a constant accelera
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Sound standing waves paradox....
  • · Replies 1 ·
Replies
1
Views
2K
High School What causes the liquid to rise in this picture?
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Multiplying vectors -- where does cos(theta) go?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad What Is Earth's Escape Velocity and Why Don't Rockets Reach It Immediately?
  • · Replies 4 ·
Replies
4
Views
2K
High School How Does Friction Influence Your Walking and Balance?
  • · Replies 14 ·
Replies
14
Views
2K
Graduate Spring (with mass) kinetic energy -- velocity assumption
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Pressure vs Flow: Impact of Flow Control Valves
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad How to calculate acceleration in a funnel
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Solve second order nonlinear differential equation
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What limits the speed of information through a copper wire?
  • · Replies 29 ·
Replies
29
Views
15K
Graduate What is the relationship between T2 and T1 in torque propagation?
  • · Replies 16 ·
Replies
16
Views
2K
Undergrad Torque exerted by a cylinder's weight
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Why is the same equation used for both particles in the initial state?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Moment of inertia of a cylinder in unusual position
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad How Can I Calculate Flywheel Spin-Up Time for Various Mass and Shape Options?
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Why is velocity of sound inversely proportional to square r
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Time independent potential and mechanical energy conservatio
  • · Replies 3 ·
Replies
3
Views
2K
High School Why do I feel Pressure on the palm of my hand?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Problem with Lagrangian function
  • · Replies 2 ·
Replies
2
Views
1K
High School What is the Method for Finding Joint Range of Motion?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad My Physics teacher presented a wrong diagram? (Explanation↓)
  • · Replies 4 ·
Replies
4
Views
2K
High School How to Calculate Object Travel Time: Formula for 402m Distance
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad Why Does the Width of Dark Rings Decrease in Newton's Rings Experiment?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Moment of Inertia of multiple bodies in contact
  • · Replies 4 ·
Replies
4
Views
2K
High School Ions and conductivity of water
  • · Replies 21 ·
Replies
21
Views
2K
Graduate Program to solve coupled ODEs?
  • · Replies 7 ·
Replies
7
Views
1K
Graduate Newtonian Simulation Of Gravity
  • · Replies 15 ·
Replies
15
Views
2K
Undergrad Understanding centrifugal force
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Average Velocity and Final Instantaneous Velocity
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How much pressure for gasses to explode?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Turnings on roads and banked roads
  • · Replies 1 ·
Replies
1
Views
1K
High School Friction & Cars: Understand Acceleration, Constant Velocity & Brakes
  • · Replies 1 ·
Replies
1
Views
2K
High School Why does friction remain constant with larger surface area?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why does the method of images work?
  • · Replies 3 ·
Replies
3
Views
2K
High School Physics behind inflatable ball collision
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Can New High-Pressure Secrets of Osmium Be Applied to Liquid Metallic Hydrogen?
  • · Replies 1 ·
Replies
1
Views
1K
High School What is major difference in motion in a straight line and motion in a plane.
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad What happens when blocks collide?
  • · Replies 21 ·
Replies
21
Views
4K
Undergrad Changing density ice and liquid water
  • · Replies 2 ·
Replies
2
Views
1K
High School Is My Jazz Band Practice Too Loud? Concerns About Sound Intensity
  • · Replies 7 ·
Replies
7
Views
2K
High School Coefficient of friction - varying normal force
  • · Replies 16 ·
Replies
16
Views
6K
Graduate Gravitational force formula: mass 2 point sources, intensity like 1?
  • · Replies 3 ·
Replies
3
Views
2K
High School Equilibrium of forces lab- Sources of error spring scale
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Converting units for angular motion
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Inertia Dominated: Explaining Physically What It Means
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Interlacing pages of books - Need help with understanding
  • · Replies 16 ·
Replies
16
Views
9K
Undergrad Why do we use racing slicks if surface area =/= friction?
  • · Replies 27 ·
Replies
27
Views
6K
Graduate Is There Research on Using Hydrogen and Isotopes to Prepare Other Elements?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Quadratic forms and kinetic energy
  • · Replies 14 ·
Replies
14
Views
7K
Graduate Energy Conservation and Time-Dependent Potentials
  • · Replies 4 ·
Replies
4
Views
7K
Undergrad FFVII Cloud's Buster Sword Busted in Ludicrous Video
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How do I Calculate Normal and Applied Forces on a Branch Wheeled System?
  • · Replies 5 ·
Replies
5
Views
2K