Mechanics Forum

Post thread
Undergrad Momentum delivered to a piston
  • · Replies 5 ·
Replies
5
Views
3K
High School Tension - how is mechanical tension even defined?
  • · Replies 4 ·
Replies
4
Views
3K
High School Why do Wind Turbines have such large blades
  • · Replies 20 ·
Replies
20
Views
4K
High School C426913 Can a Perpetual Motion Machine Ever Be Possible?
  • · Replies 1 ·
Replies
1
Views
2K
High School Why is the frictional force equation F = μN not equal to F = mg(cosθ)?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Drag Coefficient: Does Cd Vary in Different Mediums?
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Composition of collateral rotations of a planet
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Where did the radian come from (Torque)?
  • · Replies 22 ·
Replies
22
Views
6K
High School Running Machines: Real Incline vs. Fake Conveyor Incline
  • · Replies 16 ·
Replies
16
Views
3K
High School Can You Connect Two Aquariums with a Tube Without Causing Overflow?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Supersonic motion: no backward propagating shock waves
  • · Replies 2 ·
Replies
2
Views
1K
High School Fluid Mechanics and perpendicular force
  • · Replies 17 ·
Replies
17
Views
8K
Graduate Why Does Inertia Exist in a Relative Universe?
  • · Replies 18 ·
Replies
18
Views
5K
Undergrad Calculating Coefficient of Friction for Sandpaper
  • · Replies 4 ·
Replies
4
Views
15K
Undergrad Final velocity of a falling object
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad A question about linear drag force
  • · Replies 4 ·
Replies
4
Views
1K
High School Gravity - use it as an energy source?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Very massive object colliding with tiny mass at high momentum?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Centrifugal Force - continue spinning indefinately in space?
  • · Replies 3 ·
Replies
3
Views
2K
High School Centripetal acceleration and radius
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Speedway Motorcycle Racing Physics
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Pressure inside a liquid planet in rotation
  • · Replies 22 ·
Replies
22
Views
3K
High School Does weight affect an object's speed during free fall?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Earth Slowing Down: What Would People Feel?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Freezing time for 1 cm of water
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Mechanical analogue of permittivity
  • · Replies 15 ·
Replies
15
Views
5K
High School Simple Harmonic Motion, memory device
  • · Replies 5 ·
Replies
5
Views
2K
High School Question on Laws of Motion observed in Real Life
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Error uncertainty for power law
  • · Replies 1 ·
Replies
1
Views
4K
High School Orbital speed - faster is closer?
  • · Replies 14 ·
Replies
14
Views
18K
High School Sound in space and the end of the universe
  • · Replies 8 ·
Replies
8
Views
3K
High School Acceleration due to gravity question.
  • · Replies 7 ·
Replies
7
Views
4K
High School The police car moves faster than the speed of sound?
  • · Replies 37 ·
2
Replies
37
Views
5K
Graduate Inverted Pendulum on Cart: What is this term in the KE?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate How to calculate sum of torque ?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Artificial Gravity through Rotation BUT on a vacuum
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Dynamics Moments - Linear Algebra / Cross Product
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Acceleration compensation (3 Axis accelerometer)
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Simple Harmonic Motion: Question about w(t+T)=wt+2pi
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Newton's Second Law: Momentum & Forces Explained
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Is spin angular momentum increasing in a gyroscope?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Change in orbit due to moment of inertia change?
  • · Replies 3 ·
Replies
3
Views
2K
High School Acceleration of Spring Mass System - oneplusone
  • · Replies 2 ·
Replies
2
Views
2K
High School The police car moves faster than the speed of sound? Sonic boom.
  • · Replies 55 ·
2
Replies
55
Views
9K
Graduate What Innovative Concepts Can Enhance Bungee Jumping Physics Research?
  • · Replies 1 ·
Replies
1
Views
2K
High School Explosion force is dependent on the Amount and the said Material
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Is the force given by pressure infinite?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Coriolis effect on eastward\westward movement on earth
  • · Replies 10 ·
Replies
10
Views
7K
Undergrad Why Does Pulley Require Less Work to Lift Mass?
  • · Replies 6 ·
Replies
6
Views
7K
High School Understanding μk for Physics Students: Exam Prep Help
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Formula for Work to create a vacuum.
  • · Replies 9 ·
Replies
9
Views
13K
Undergrad Generate Electricity from Atmospheric Pressure
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Why Does My Ball Trajectory Simulation Show Only Positive Vertical Velocities?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Determining unit vector of acceleration and velocity in circular motio
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Angular velocity of rigid body
  • · Replies 14 ·
Replies
14
Views
4K
Undergrad Rolling on flat floor, rolling down an inclined plane?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Angular and linear velocity of a rigid body given a force.
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Lagrangian Mechanics - Non Commutativity rule
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Pressure Calculation for Flow Through a Changing Diameter Pipe
  • · Replies 6 ·
Replies
6
Views
2K
Experience Warm Air in a Car with Centripetal Force
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad System mass-spring-damper and Energy
  • · Replies 1 ·
Replies
1
Views
8K
Undergrad Conservation of Momentum in a Single Direction
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Is It a Counterbalance or Haul System in Technical Rope Rescues?
  • · Replies 11 ·
Replies
11
Views
5K
High School What Forces are at Play on a Rock Sinking at Constant Speed in Water?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Can any object with positive mechanical energy collide earth?
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad How Is Torque Generated by Friction on a Rotating Disc Calculated?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Solving Steering Equations for Vehicle Control
  • · Replies 1 ·
Replies
1
Views
2K
High School Compressing Water: Can It Be Done?
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Nonconservative work kinetic friction problem
  • · Replies 2 ·
Replies
2
Views
1K
High School Sailboat on a Flat Lake: Fan On - What Happens?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Fixing the Constants of Equations to Unity
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Hydrogen anion stable when left unperturbed ?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Torque calculation based on weight and wheel size
  • · Replies 17 ·
Replies
17
Views
11K
Graduate Heat Capacity Ratio of Water at 1000°C | 1273.15K
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Reality Scorecard for Physics Theories
  • · Replies 13 ·
Replies
13
Views
2K
High School Can You Imagine a Fourth Dimension?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Gravitational or inertial mass gain in cern ?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Why Does Zero Integration of a Velocity-Time Graph Not Confirm Return to Origin?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Is the angular acceleration of a rolling object constant?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Max Diam Tube Filled w/ Viscous Liquid: Deriving Formula
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad How Do Equal and Opposite Torques Work with Different Moment Arms?
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Question for sound waves effect. .?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Does Phase Space Differ from Real Space in Dynamics?
  • · Replies 11 ·
Replies
11
Views
3K
High School Understanding Vectors vs Unit Vectors: Differences and Uses in Physics
  • · Replies 9 ·
Replies
9
Views
11K
Undergrad Understanding the Drag Equation
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How position of quarks decide the type of elementey particles ?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate What is the Source of Inertia?
  • · Replies 4 ·
Replies
4
Views
2K
High School Shear Stress: Definition & Direction
  • · Replies 11 ·
Replies
11
Views
7K
Undergrad Water Evaporation From Sand (pot in pot refrigerator)
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Solving Lagrangian Derivation - Classical Mechanics by John R. Taylor
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Discussion regarding the frames of reference
  • · Replies 2 ·
Replies
2
Views
2K
High School Good Rotational Mechanics Resource for AP Physics C
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Conservation of Energy: Does Gravity Exhaust?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Solving the Inclined Plane Puzzle
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why is a mechanical wave inverted at a boundary?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Viscosity and pressure relation
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad What causes a bent notebook page to push back against a pen?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Satellite Motion conceptual problem
  • · Replies 11 ·
Replies
11
Views
2K
High School About sound levels and feedback
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Relation of objective probability and work potential
  • · Replies 1 ·
Replies
1
Views
1K