Mechanics Forum

Post thread
Undergrad Why were momemtum, kinetic energy and work introduced?
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad Questions regarding generalized work equation
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Correction term while switching from inertial to body fixed
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Ultrasound Transducers and Simulator
  • · Replies 2 ·
Replies
2
Views
1K
High School Understand Momentum, Force and Impulse
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Escape velocity and kinetic energy
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Uniqueness/existence for FEA with Amontons friction?
  • · Replies 0 ·
Replies
0
Views
1K
Undergrad Bubble dynamics over a liquid surface
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Cars: Wheel Angle & Turning Circle Radius
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Conservation of momentum in gyroscopes
  • · Replies 7 ·
Replies
7
Views
2K
Graduate [Fluid mechanics] Navier-Stokes and Hagen-Poiseuille
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Do Railguns Recoil? Understanding the Forces Responsible for Railgun Recoil
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Impact force of Rigid objects and no displacement
  • · Replies 61 ·
3
Replies
61
Views
12K
High School Learn About Moments & Equilibriums: What Does a Moment Mean?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Automotive project to determine road gradient during braking
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Particle moving at varying speed along a path
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad How does cant made nor destroy law of energy work here
  • · Replies 2 ·
Replies
2
Views
1K
High School Force: F=ma & Effects on Momentum
  • · Replies 12 ·
Replies
12
Views
2K
High School Speed of Falling Objects Creating A Filter System
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad How to take into account Force when comparing two lengths?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Siphon Flow in Tanks: Will Water Go Up Hill?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Conservative force in a time-dependent potential
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Formula f=-dU/dx: Non-Conservative Forces
  • · Replies 15 ·
Replies
15
Views
14K
Graduate Equations associated with calculating velocity of a bullet.
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Find the third harmonic (Sound Physics)
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Oscillations of a Ruler: Equation, Explanation & Answers
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Use kinematic equations if acceleration is time dependent?
  • · Replies 4 ·
Replies
4
Views
6K
Graduate Sailboat rudder physics, and water flow estimate
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Will Closing Both Ends of a Venturi Pipe Equalize All Pressures?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Infinity times zero, rotational symmetry
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Physics of bullet impacts, I wonder if anyone can help?
  • · Replies 17 ·
Replies
17
Views
3K
Undergrad Motion in a Plane: Velocity & Acceleration
  • · Replies 14 ·
Replies
14
Views
2K
Undergrad Which force is the centripetal one in a banked curve?
  • · Replies 19 ·
Replies
19
Views
5K
Mysterious Ice Cube Tray Phenomenon
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What Are Feynman's Two Components of Tidal Forces?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Inelastic collision in two dimensions
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Free fall with + and - Vinitial
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Negative bouyancy/sinking a car
  • · Replies 15 ·
Replies
15
Views
2K
Undergrad Pendulum: Energy is conserved but not momentum
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Is the center of mass truly where all forces act in a system?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Can Torque Be Defined in Non-Rotational Situations?
  • · Replies 3 ·
Replies
3
Views
2K
High School When to Use f = -dU/dx with External Energy Sources?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How is potential energy is derived from work here?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Calculate Vehicle Impact Speed with These Specifics - Expert Tips
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Converting energy into torsional spring displacement
  • · Replies 6 ·
Replies
6
Views
9K
Undergrad Conservation of energy in a rocket
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Reversible vs irreversible work for adiabatic process
  • · Replies 5 ·
Replies
5
Views
3K
High School Answer: Acceleration or Velocity Change with Constant Force
  • · Replies 4 ·
Replies
4
Views
1K
High School Trading KE for PE and back again
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Euler-Lagrange question about strange differentiation
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Max Velocity, Time, Distance w/ 2 Thrusters & 1 Upward Thruster
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Is the Daytona 500 Winning Margin Calculation Accurate?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad What is the rebound height of a ball?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate The elasticity/stiffness tensor for an isotropic materials
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Translate change of length to force in hanging chain problem
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Integrals and potential energy
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad How a human can swim like a dolphin
  • · Replies 3 ·
Replies
3
Views
1K
High School MIT Motor Challenge: Build a Paper Clip Motor
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Angular speed ratio and gear teeth ratio
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Acceleration of a Rocket falling to Earth
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Orbital dynamics: "The familiar arc-cosine form"
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Calculating if two objects will come within a given distance
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Maximum kinetic energy in projectile motion
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Does the Size of Grit Affect the Coefficient of Friction?
  • · Replies 11 ·
Replies
11
Views
5K
Undergrad Crankshafts, which class of lever
  • · Replies 2 ·
Replies
2
Views
3K
Graduate What equivalence of vacuum in pressured system is possible?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate What is the role of drag moment in the net momentum formula for quadrotors?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Power needed to keep a 200lb object in motion
  • · Replies 18 ·
Replies
18
Views
2K
High School What is the optimum angle to hit a golf ball the furthest?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Work done by a gas in a piston
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Rotational Kinetic Energy and Conservation of Momentum
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Power consumption in LCR circuit
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Quick question about a man running on a Merry-go-round
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad "Build the best boat" with given area
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Confused about why atmospheric pressure won't move piston
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Floating Granite Sphere Fountain
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Cross Product: Right-Hand Rule Explained
  • · Replies 2 ·
Replies
2
Views
2K
High School The Center of the Earth and Black holes and Gravity
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Investigating the water-ice electret
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Derivation of the speed of sound waves equation
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Work and forces in systems of many particles
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Escape Velocity = Freefall from Height of One Radius?
  • · Replies 43 ·
2
Replies
43
Views
8K
Freezing Water Pipes: Hot or Cold is the Bigger Risk?
  • · Replies 15 ·
Replies
15
Views
3K
High School Why is gravitational acceleration independent of test masses?
  • · Replies 30 ·
2
Replies
30
Views
4K
Graduate The informational paradox of rectilinear motion
  • · Replies 1 ·
Replies
1
Views
2K
High School Why won't objects fall out of orbit
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Does the Doppler Effect Affect Wave Velocity in Moving Observers?
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Why stress is defined on 3 surface
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Can Resistance Exceed a Mass's Top Speed in Theory?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Dumbell collision, COM and rotational motion
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Understanding Bending Moment Diagrams for Multiple Planes
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Trouble with elasticity and torque on a body in equilibrium
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Action and reaction when pushing an extremely long stick
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Rotational Vs Linear Acceleration
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Does a moving Submarine Create a Toroidal Vortex?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Momentum question. Acceleration on a moving track
  • · Replies 4 ·
Replies
4
Views
2K
Graduate External Ballistics: Deriving Equations for Long-Range Shooting
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Circular motion and acceleration
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Are Newton's Laws Redundant or Fundamental?
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Does a Radially-Impulsed Astronaut on the ISS Return to the Same Spot?
  • · Replies 9 ·
Replies
9
Views
3K