Mechanics Forum

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Undergrad Pressure at points on the same horizontal plane
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8K
Undergrad Velocity in certain direction[components]
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3
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High School Potential energy of hydrogen balloon
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7
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5K
High School Is the Gravitational Force Between Two People Cancelled Out?
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7
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2K
Undergrad Indefinite Hydrolysis? Can It Be Done?
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4
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2K
High School Is Speed the Same as Velocity in Physics?
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3
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4K
Graduate Problem with Lagrange's Equations
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4
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4K
Undergrad How do collision algorithms work (like Angry birds)?
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2
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5K
Undergrad How to Calculate the Minimum Force Needed to Move a Box on a Ramp with Friction?
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1
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2K
Undergrad Calculating pressure to raise a submarine
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2
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3K
Undergrad Measuring sound velocity from a P-T graph?
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1
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3K
Undergrad Torque experienced by compass needle
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1
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6K
Undergrad Why do we need to calculate the centre of pressure in force analysis?
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19
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4K
Undergrad Bike Tilting: How Racers Produce Centripetal Force
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63
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20K
Undergrad Determining Coefficient Of Friction
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5
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8K
High School Centripetal and centrifugal force
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24
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7K
Undergrad Explanation of the cross product
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4
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8K
High School Why does movement vibrate at certain points?
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5
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3K
Undergrad Understanding Different Accelerations in Constrained Pulley Motion
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2
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4K
Undergrad Understanding Lift: Force on Wing & Fluid Reaction
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1
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2K
Undergrad F=m*a - Mindthinking gone wrong.
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13
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3K
Undergrad Why Do Glass Plates with Water Not Separate Under Weight but Slide Easily?
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1
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2K
Undergrad What's happening to my spinning rugby ball
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2
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6K
Undergrad Application/use of reduced mass in conservation of momentum/energy problems
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2
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4K
Undergrad Meaning of area under a acceleration vs mass curve
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1
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6K
Graduate Question about Earth's equatorial bulge-derivation
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15
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7K
Undergrad Choice of reference frame in conservation of momentum/energy problems
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1
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2K
Undergrad Understanding Kinetic Energy and Work: Debunking Common Misconceptions
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13
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4K
High School Talk at the Speed of Sound: Can 2 People Chat?
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1
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2K
Undergrad Can this work? Moving in a vacuum
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4
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2K
High School Reaction Forces for Tension in a Rope
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2
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3K
Undergrad Potential Energy question Confusion on the sign
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4
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3K
High School Gravity: Is it Always the Lightest Body Moving?
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4
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2K
High School Making a Home-Made Ping Pong Table: Bounciness and Fixes
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4
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16K
Undergrad Stress forces on a cubic case due to a vacuum
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1
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2K
Undergrad Falling Cat - Rotation with zero net angular momentum.
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2
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6K
High School How to go from rpm to hp or W.
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4
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2K
Undergrad Projectile Motion's relationship with Kinetic Energy and Potential Energy
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1
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12K
Undergrad Expelled rocket fuel pushing against something the rocket is attached to?
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7
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4K
Graduate Bernoulli's Theorem: Non-Viscous & < Critical Fluid Velocity
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8
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4K
Graduate Non-equal Gravitational Potential and Kinetic Energy in a closed system
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6
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4K
Undergrad How Does Weight Distribution Affect Wheel Spin Duration and Speed?
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6
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4K
Undergrad Bar holding a weight (conceptual)
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Undergrad Solving for time in 1D Kinematics
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3
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4K
Undergrad Calculating the Force from Power Loss at 75.0 Km/hr
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3K
High School Curious Question about Atmospheric Pressure.
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2
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32
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6K
Undergrad What factors contribute to gas pressure in a confined space?
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3
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4K
High School What Causes the Sensation of Weightlessness on a Ferris Wheel?
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9
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10K
High School What motor can rotate up to 50lbs at variable speed?
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3
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2K
Undergrad Maximizing Range for projectile motion
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2
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3K
Undergrad Banked Curve Problem: Solve Bicycle Speed & Friction Coefficient
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1
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4K
Graduate What is the smallest amount of hydrogen needed for fusion
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7
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3K
Undergrad Solve Damping Oscillation: Find Position Function of Spring
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5
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3K
Undergrad Is a constant velocity the most efficient way to drive a car?
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10
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8K
Undergrad I'm looking to build a small particle accelerator for a science fair
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18
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17K
Graduate Question: Draining Tank problem
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3
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3K
Graduate Does Everyday Motion Require Lorentz Transformations?
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1
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High School Is the Normal Force the Only Thing Keeping a Block on the Ground?
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4
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Undergrad E.Field - E.Potential conversion
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5
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Undergrad Identifying Different Radioactive Balls Easily
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12
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Undergrad Understanding Submarine Pressure: Importance and Calculations"
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6
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Undergrad Physics in a frictionless plane.
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3
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Undergrad Newton's 3rd law: action and reaction
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17
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5K
Undergrad Does Changing Material Density Affect the Center of Mass in a Composite Object?
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3
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3K
High School What causes surface tension in liquids?
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12
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8K
Graduate Virtual Displacement: Definition & Meaning
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3
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Undergrad Conservation of Kinetic Energy
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9
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5K
Undergrad Projectile Motion Lab: Angle of Maximum Range
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2
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3K
Undergrad Kinetic friction in an accelerating Frame of Reference
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8
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3K
High School What Is the Connection Between Energy, Potential, and Work?
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High School Why Does a Standing Truck Not Move When Pushed by a Boy?
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3
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2K
Graduate Fluid flow and momentum equation. Do I have the right equation?
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2
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3K
Graduate Incompressible Fluid simulation - SPH doesn't work
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2
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7K
Graduate 1D (net) work done by (net) force on a variable mass system.
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1
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3K
High School Collision for Momemtum and impulse
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1
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2K
Undergrad What is the primary cause of rolling resistance?
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2
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2K
Undergrad Power required to run a turbine?
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1
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3K
High School Finding the Friction Force to Overcome
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2
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2K
Undergrad Can Losing 10 Pounds Increase Your Vertical Jump by 2 Inches?
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16
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45K
Graduate How much of a hydrogen atom's mass is due to the mass of fundamental particles?
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8
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4K
Undergrad Pressure of fluid leaving a syringe
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3
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High School Understand Basic Torque Theory & Direction of Force
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5
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Undergrad Calculating G Using an Inclined Track
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6
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Undergrad Calculation of force from deceleration?
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14
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48K
Undergrad SHM- Problem with negative signs
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1
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2K
High School Falling Bodies - Does mass play a role?
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12
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7K
Undergrad Clarify about the moment of inertia
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6
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2K
High School How Does Torque Affect Pulley Movement?
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3
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3K
Graduate Beam splitter energy conservation
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1
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4K
Undergrad Calculate useful energy output ?
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1
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18K
Undergrad Projectile motion of a flicked ball
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8
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Undergrad General Help in Understanding Pressure. PLEASE HELP
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3
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2K
Graduate A Direct approach to Kepler's Orbits
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11
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3K
Undergrad How to Calculate Time and Displacement for a Ballistic Cart Launch
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3
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4K
High School What is tension in a string/rope/wire/etc?
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13
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6K
Undergrad Does a rocket/spacecraft moving in space violate Newtons laws?
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8
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3K
Undergrad How can I lift more than my weight?
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6
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4K
Undergrad Kinetic Energy and Frames of Reference
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21
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17K
Graduate What causes the inertia of an object in classical physics?
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2
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52
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Undergrad Help with trajectory(Finding initial velocity)
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1
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3K