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Graduate When should the drag coefficient of a rocket peak?
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4K
Undergrad Calculating Air Friction on Meteor Impacting Earth
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Undergrad How to control the weight of an object?
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Graduate Is free fall NOT the same as floating in space?
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Undergrad Working mechanism of NEFFUL clothing
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Undergrad Perpetual motion machine - Intuitive meaning
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Undergrad What is the force acting on a particle during a change in temperature?
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2K
High School Relationship between mass and acceleration
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9
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3K
Undergrad The physics of sailboats tacking against the wind
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4
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3K
Undergrad Force required for small blower motor
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9
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2K
Undergrad Vacuum cleaner in a weightless environment
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6
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2K
High School How absurd are these numbers really?
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8
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2K
Undergrad Which Vectors Can Legitimately be Broken into Components?
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3K
Graduate Body Force vs Inertial Force: What's the Difference?
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High School Force of gravity along the radial direction
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8
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Graduate 10^9 GeV dispersed collision energy
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14
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3K
Undergrad Why do objects with mass attract each other?
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1
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3K
High School Is a treadmill incline just a marketing gimmick?
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20
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3K
Undergrad How to calculate how a weight added to the top of a sailboat mast affects COG
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15
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3K
High School Why do chains on tires provide more traction in the snow?
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6
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4K
Graduate Calculating the Impact Force of a Free-Falling Body: Validating the Procedure
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18
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3K
Undergrad Banked Turns Part II: What Force Causes a Car to Creep up a Wall
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5
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2K
Graduate Is This a Valid Solution to Newton's Equation for Gravitational Attraction?
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19
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2K
Graduate Centrifugal Force Experienced at the Earth's North Pole
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24
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5K
Graduate Velocity is a vector in Newtonian mechanics
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1
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Undergrad Understanding Work with Conservative Forces | Physics
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3
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2K
High School Thrust Calculation: 1000 psi Tank, 1 in² Removed
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6
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3K
High School Direction of Resultant Force on a Skydiver After Opening Parachute
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6
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3K
High School Difference between "1 kgf" and "1 N"?
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19
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8K
High School Relationship between Velocity and Acceleration
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6
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2K
Undergrad Forces in inertial and non-inertial frame of reference
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5
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2K
Graduate Tornadoes and angular momentum
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15
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5K
Graduate How to Calculate Young's Modulus for Deformation of a Sphere into an Ellipsoid?
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6
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3K
High School Why does a wall break and not move when pushed?
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22
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3K
Graduate Independence of Position and Velocity in Lagrangian Mechanics
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3K
Graduate Problem in getting correct coefficients of frictional forces
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9
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2K
Undergrad What is the fastest speed around a curve?
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10
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4K
Undergrad A perfectly stiff wheel cannot roll on a stiff floor?
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High School Why Are Heavier Objects Attracted to Each Other?
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15
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3K
Graduate Is There an Easier Way to Calculate 3D Rotation Matrices?
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4
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1K
Undergrad How does a vacuum ejector using air work?
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9
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3K
Undergrad Separation of Fluids in a Centrifuge
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1
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1K
Graduate Orbital Mechanics Angular Momentum
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2
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1K
High School Calculating Radial Piston Input Torque: An Interactive Spreadsheet Tool
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2K
Graduate Orbital Mechanics Vis Viva Equation Question
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1
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2K
Graduate How does Newton's Law change with rotation between frames?
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2K
Undergrad How Does Mass Affect the Direction of Rotational Motion in a Pulley System?
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2
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2K
Graduate The period of oscillation of a bob in an accelerating frame
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5
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2K
Undergrad Working in a Vacuum & zero gravity
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3
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Graduate Pulling/pushing an elastic rod at high speeds
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5
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2K
Undergrad Gas pressure differentials and permeability
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6
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2K
Undergrad About the total work done loading and unloading (setting down) an object
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Graduate Extension of a rod segment dx due to a passing longitudinal wave
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Undergrad Lifting a Man with 100m^3 of Helium
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9
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7K
High School Constant Force: Energy Conservation & Path Independence
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6
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High School Archimedes principle and the density of a rock
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6
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7K
High School The Mystery: How Boomerangs Work and Come Back Explained
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15
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Graduate Hydrostatic force on identical containers filled with equal volumes of water
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24
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Undergrad Thrust required for a Car driven by a propeller
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13
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Undergrad Y-intercept of a lambda square VS tension of standing wave
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2
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3K
High School Airplane wings -- How do they work and why do they change shape?
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Undergrad Measuring the speed of sound in an iron tube
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Undergrad If Earth collided with another planet
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2
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1K
Undergrad I don't understand this idea about torque
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High School Throwing a ball in an airplane
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7K
High School Water Velocity Question: Impact of Pipe Length on Flow Rate
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Undergrad Horizontal Force on a trapeze pivot
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2
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2K
High School Relationship between launch height and range
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1
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3K
High School People Jumping Off a Car (Momentum Problem)
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9K
Undergrad Forces applied to trailer hitch
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3K
Undergrad Impact force -- Airsoft versus paintball pellets
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19
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6K
Graduate Calculating Height of Thrown Object w/ Changing Deceleration g
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11
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Undergrad "Unexpected" Symmetry in Elliptical Orbit
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11
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3K
High School How much time for a pencil to drop
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4
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1K
Undergrad Understanding Bernoulli's Principle
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High School What are the physics behind fishing rods?
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2
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4K
High School Golf club "Swing Weight" and club head rotation
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3K
High School Physics of Drifting: Friction, Inertia & More
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2
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2K
Graduate Random Walk of KMnO4 in Water: Why Do We Observe Non-Probabilistic Behavior?
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2K
Undergrad Solving Differential Equations: Falling Objects & Linear Gravity
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4
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2K
Undergrad Understanding Static Friction on a Ramp: Why is the Object Stationary?
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4
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3K
Undergrad Air pressure holds coaster on glass: What if only half full?
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9
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3K
Graduate Pure rolling of sphere having non uniform mass density ?
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3K
High School Formula of S in simple harmonic oscillation
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4
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2K
Undergrad Sound transmission underwater -- looking for equations TX --> Rx
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18
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3K
Graduate Physical interpretation of virtual displacement
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12
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Graduate What is the meaning of 'relative' and 'apparent' in Newton's concept of time?
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3
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2K
Undergrad Mechanical waves encountering a change in Density
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16
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Graduate Statistical Mechanics Part I: Equilibrium Systems - Comments
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19
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3K
Graduate Mathematical Modeling of an articulated vehicle (trailer)
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4
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3K
Undergrad Using calculus to find gravity in space (dynamics)
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1
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1K
Undergrad Knuckle dragger with question about acceleration
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14
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2K
Undergrad Boundary conditions of a forced oscillator (string)
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4
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2K
High School Physics in a manual angle grinder machine
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10
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3K
High School What is Force & Why? | Explaining Net Force
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26
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3K
High School Opening a car door at a high speed
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16
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7K
High School Representing Vectors: Calculating Force & Angle
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1
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Undergrad Obtaining the equation of motion using analytical mechanics
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12
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2K
Graduate Effect of Fluid Expansion on Pressure vessel/chamber
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8
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2K
Graduate The exact formula for PV-work in an irreversible process
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27
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9K