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Moment of Inertia: Understanding the Confusion
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Is Gravity Instantaneous or Does it Travel at the Speed of Light?
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11
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The Pressure Excess Notion: Why is the Formula Multiplied by 2?
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1
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What happens when a person punches a spinning wheel on a skateboard?
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22
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4K
What Does Kepler's Third Law of Planetary Motion Mean?
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1
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Car Physics Questions: Gear Shifting, Aceleration, Ground Resistance
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5
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Constant Properties of Sound Waves
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3
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Audibility of Sound at Mach 2: Inside the Car
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Gas pressure and fluid question
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3
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Protecting Eggs with Tape and Balloons: A Scientific Approach
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5
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Identify Fan Power with Ohm Meter: AC Power Supply
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6
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What do 'perfect elastic' and 'perfect inellastic' collision mean?
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8
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What is the pressure of the universe?
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1
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Wave Speed on a Spring: Is It True?
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11
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Factors affecting the spring constant
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2
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Doubling the kinetic energy of an object does what to momentum?
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5
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Confused with DC motor equations when accelarating
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10
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Principle of Virtual Work and Feynman
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7
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21K
Energy expended, no work done?
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6
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Building a vandergraph generator
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2
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9K
Understanding Motor and Inductor Emf
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5
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A question of lifting bodies underwater
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3
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Why gravitational potential energy is negative?
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10
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Does Applying Force Away from the Center of Gravity Affect Energy Conservation?
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7
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Understanding Rotational Acceleration: Linear vs. Angular Momentum Derivation
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6
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Torque: Understanding Direction & Significance
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3
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Friction between two rotating cylinders
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7
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Does increasing mass reduce the bounciness of connected car tires?
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2
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Understanding Pressure in Outer Space: Equilibrium and Volume Variations
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5
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Marking system for ballistics pendulum
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4
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Solutions to RK Pathria Statistical Mechanics Chapter End Problems
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Explicit vs implicit time dependence in Lagrangian mechanics
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16
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Help with pressure differences-sponge and wood
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6
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Rate at Which 2 Masses & Springs Exchange Energy
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5
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Unleashing the Power: Weightlifting and Physics of the 85kg Class"
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15
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Spin reduction & bouncing ball
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3
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How Do You Calculate Pendulum Impact Force in G's?
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1
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Is the Newtonian theory still being used?
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7
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Rotation and Poles: Water Draining Equator - True or Farce?
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4
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Can Massless Photons Carry Momentum?
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10
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Understanding Orbital Speed and Energy Dynamics
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3
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Tips for preparing for the AP physics C mechanics exam
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4
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Discover the Best Sound Frequencies for Shallow Water Fishing with a Fish Finder
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12
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7K
Is Perpetual Motion Possible with a Pendulum and Balance System?
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23
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11K
Volume of Water Displaced by Mass: Does Height Matter?
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2
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8K
Impulse is the product of force and time
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4
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Residual stress in 3 layer cantilever beam
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3
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Do metal springs really store sig work as potential?
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45
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11K
How Do You Calculate the Energy Stored in a Mousetrap for a Physics Project?
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1
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12K
Building a Balloon Car: Increasing Speed
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3
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Free energy? increasing speed of a fluid in a nozzle
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5
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What are the Two Forms of Acceleration in Circular Motion?
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12
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Construct Lung-Powered Infrasound Didgeridoo Emitter
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2
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Can sound travel faster than a speeding jet?
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12
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How Does Pyrex Affect the Permittivity of Water in Capacitance Experiments?
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10
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Symmetry and conservation of momentum
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2
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Gravitational potential energy and Kinetic Energy
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4
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Why Inertia is so interesting?
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5
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Escape velocity and gravitational potential energy
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10
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Is the tension of the string same or not?
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4
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Third Newtonian law most fundamental
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6
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Lagrangian mechanics for a varible mass
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3
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Speed of Electric Field: Is it the Speed of Light?
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2
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Instantaneous Velocity methods
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7
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When conservation does not apply
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2
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Why Is It Harder to Lift Someone When They Are Asleep?
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5
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Pressure in Liquids: Why It's Shape-Independent
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2
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Observing Ink Points in Water: What is the Motion?
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17
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What Factors Determine the Direction of a Pulse in a Stretched Rope?
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18
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Model Damped Harmonic Motion with Y=(e^ax) Sin/Cos bx
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Solving the Angle Required to Hit a Moving Target with Ballistic Projectiles
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1
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How Do Spring Constants and Resistor Formulas Compare?
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4
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How is kinetic energy related to momentum in terms of velocity?
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2
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What is the weight of air in a 30 gallon tank at 100 PSI?
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3
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Energy/Power content of Gasoline
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2
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Doppler and enegry conservation
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4
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Understanding Tension: Confusion about Coupling & Forces
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10
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How does a negative ion generator work?
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1
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Explaining Football Physics to a 12 Year Old
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1
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Angular momentum in eliptical orbits
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6
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Does Rolling a Basketball on Roadbase Compare to a Golf Ball on AstroTurf?
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8
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Why do masses cancel out when calculating y-components of momentum?
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2
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Momentum with kinetic friction
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2
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Speed vs Velocity: Difference & Examples
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4
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Can gyroscopic forces stop rotation?
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8
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Spinning ball and its trajectory
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6
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How Does Firing a Rifle Illustrate Kinetic Energy and Momentum?
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6
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Rotational weight vs dead weight
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What Are the Major Types of Power Stations?
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1
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Confused about Free Energy relation to Pressure & Concentration
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1
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Newton's Third Law: Equal & Opposite Forces?
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4
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Falling From a Boat: Relative Velocity Explained
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6
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Equal work lifting versus pushing up a plane?
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11
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Does inertia apply to everything in the universe? Even subatomic?
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8
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Efficiency: Work, Limits, and Zeno's Paradoxes
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3
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Gibbs energy=chem potential (not convinced)
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4
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Does Gravity's Speed Affect Paper Falling During a Clap?
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2
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Find Your Place in the Universe: Calculations & Ideas
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2
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Why Does Snowfall Make Everything Seem So Quiet?
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1
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Understanding the Difference Between Mass and Weight: Explained in Simple Terms
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17
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