Mechanics Forum

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Partial derivative of potential energy and work
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Help with rolling cars -- science project
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3
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Is pressure a qualitative property?
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Is there a difference between redirection and converging flow in fluid dynamics?
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Deriving Expression for Average Drag on Object - Help Needed
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Can someone explain to me the work equation for springs?
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Rotational work and forces like static friction and tension
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Explanation please -- public bus induction power -- into basic physics?
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7
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Dynamics and Kinematics Interview Question Examples
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Why do conservative forces try to reduce potential energy?
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Cation/cation repulsion in salt water solution
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Extremum of thermodynamic potentials: confusion
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Energy & Power: Calculating Force & Choosing Engines
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23
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What is the true cause of friction?
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How to calculate compression of a spring
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Torque on rigid body when angular momentum is not constant
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How do guitar strings produce harmonics?
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3
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Inverse Kinematics: Understanding the Math Behind Building Virtual Arms and Legs
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Graphs of Gravitational Potential and Field Strength
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3
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Initial height of a bouncing ball and energy lost
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Work function of conservative forces
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How Does Vapor Pressure Cause Water to Boil?
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Can any object have moment of inertia greater than that of a hoop?
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Can Scalar Field Exert Torque on Particle?
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Violation of conservation of momentum?
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14
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Acceleration of air threw a funnel
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Conservation of Momentum on Inclined and Flat Surfaces
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Breakdown Potential of Parallel Plates Capacitor
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Bernoulli vs Energy Conservation?
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5
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Feynman:"Laws of Dynamics" vs "Law of Dynamics"
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Does an eductor work on the Bernoulli equation?
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1
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Help with force & pressure on spine while bench pressing weights
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Relation between position vector and velocity vector
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Why Doesn't Atmospheric Pressure Deflate Basketballs and Footballs?
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4
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How do Nerf Whistler Darts work?
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1
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How can a medium carry multiple sounds at once?
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5
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Problems with understanding the force of tension
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12
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Kinematics Equation: Solving for t
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2
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Where Does the Term "Kinetic Potential" Come From?
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Is Velocity Equal to Work Divided by Impulse in Physics?
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6
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Do all forms of energy fall under 'kinetic' and 'potential'?
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13
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Gravitational Force/Earth Rotation Question
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23
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Why people float inside free falling airplane
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37
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Question about momentum and kinetic energy
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3
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What are the uses of a bifilar pendulum?
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1
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Conceptual question regarding the conservation of energy
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9
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Work, Energy, Force of Pile Driver and Pile
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1
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Calculating Wing Lift with a DIY Scale and Air Supply
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2
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Gas pressures with (hypothetical) filter
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2
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Deriving an Expression of an Object in Free-Fall on Mars
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1
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Pumpkin/bowling ball launcher questions:
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3
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Rotations in Bloch Sphere about an arbitrary axis
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3
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Pressure Exerted on Person in City Bus Collision
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Sound source moving at the speed of sound
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5
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Collision of Two Objects on Ice
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5
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Trajectories, equation of motion and forces....
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1
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Violation of conservation of energy?
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2
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Why a man on the Moon can jump 21 times higher than on the Earth
2
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Time Period of Vertical Circular motion
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Does Energy Conservation Apply to Linear Momentum Collisions?
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15
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Calculate sailing ship drag, or anyway any drag of any shape
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17
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Difference between density and unit weight with same units
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4
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Torsion, helicity of drive shaft, direction of energy-flow.
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2
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Lift vs Thrust Force: How Is More Lift Than Thrust Possible?
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42
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Mechanical equilibrium of the system in gravitational field
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3
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Maximizing Lift Through Vortex Generation on Airplanes
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11
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Change in internal energy at constant pressure?
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11
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Inelastic collision and momentum
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14
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Understanding Power Formulas; When to use Them
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24
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Altering a Structure Without Changing Its Chemicasl Composition
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3
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888
Conservation of Mechanical Energy Requirement
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5
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Distorting force vs restoring force in springs?
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1
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Ranges of Projectiles With and Without Drag
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12
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Does Mass Affect Speed on Slopes?
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8
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Help Required for Projectile Motion Equation
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11
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About the formula of pendulum -- What if there is damping?
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1
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Calculating Power Requirements for Electric Bikes on Inclined Terrain
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5
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What's the difference between an inertial frame....
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11
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How to check if frame is inertial?
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27
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Is 80 Pa Really a 'Huge' Pressure in Desalination Plants?
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5
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Decomposition of apriodic and periodic signals
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1
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Total work/effort/energy spent to climb a hill
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31
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Ice sublimating to water vapor
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5
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Potential energy and conservation of energy
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9
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Gravitational Potential Energy in orbit
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7
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What spring constant would I need to jump my height
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20
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Tension in a Spring: Find the Difference
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13
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Angular velocity of falling box
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Acceleration of golf club hitting a ball
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4
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How do forces of the tires contribute to car rollovers?
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2
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Why does loudness of sound vary as square of amplitude?
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2
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GeForce Impact: Tennis Ball Hits Head
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Why can we add/subtract constants to potential function?
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2
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Spacecraft Reentry - Drag Decrease?
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12
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Do sinking objects lose momentum with depth?
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3
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Stokes Law/Drag Force corrections?
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1
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Why is there "weightlessness" on the top of a verticle circle?
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3
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Why does a hammer fall the way it was held when dropped?
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14
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Predicting Peak Displacement in Imbalanced Rotating Drum
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35
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4K
Can someone explain how a car turns on a curve?
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17
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4K

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