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Undergrad What Causes the 'Knuckle' Effect in Sports Balls?
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8
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13K
Undergrad Calculating Viscous and Pressure Drag On A Sphere
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6
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11K
Undergrad Calculating angular acceleration and translating to force
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1
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3K
Graduate How can I remove ambiguity in defining the centre of gravity?
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13
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3K
High School Calculate Water Flow Rate: Guide for Quarter Inch Holes
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1
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Graduate Variable torque due to rotation
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3
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Graduate Why do things rotate? I know what torques are .the question is deeper than that
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6
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2K
High School Understanding Angular Velocity: Why is it Perpendicular to Circular Motion?
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6
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3K
Undergrad Drag/friction on a cylinder rotating in water of different volumes
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1
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5K
Graduate The Acceleration of the Center of Mass and External Force
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5
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5K
Undergrad Is 293 m/s² Acceleration Equal to 30 G's?
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1
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2K
High School Does the ball rotate about its axis?
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14
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4K
Graduate Experienced Physicist Looking to construct Particleaccelerator
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7
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2K
Undergrad Does Increasing the Elevation Affect Maximum Static Friction?
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4
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High School Understanding the Relationship Between Time and Speed: A Confused Exploration
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9
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6K
High School I got a question about relative velocities
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5
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2K
Undergrad Is gravity the cause of most kenetic energy?
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4
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3K
Graduate E=mc^2 and gravitational potential energy
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5
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High School Question possibly to do with atmospheric pressure (but possibly not)
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2
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5K
Undergrad Understanding Energy Density and Kinetic Energy Spectrum
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3
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15K
Undergrad Kinematics and rigid body simulation
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6
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3K
High School Sound waves patterns produced by rifle fire
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2
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2K
Undergrad What is the relationship between club length and club speed in a golf swing?
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2
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5K
Graduate Fluid dynamics (masters level)
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2
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3K
Graduate Conservation of energy - olympiad problem
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7
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3K
Undergrad Time independent acceleration equation?
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2
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4K
Undergrad Another E=1/2mv^2 dilemma increasing energy required?
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9K
High School Optimal Speed for Fuel Efficiency
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7
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8K
High School Newton's 1st law; a special case?
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1
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3K
Undergrad Damping ratio from transfer function
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2
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5K
Undergrad Moment of inertia for a hollow cube. Rotating about diagonal opp corners
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5
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6K
High School Solving Simple Harmonic Motion: Oscillatory & Sinusoidal in Time
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1
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2K
Graduate How Does Acceleration Affect the Power Required to Overcome Drag?
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20
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4K
Undergrad Forces on a Book: Scale Reads 3 & 6 - How Can This Be?
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3
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2K
Undergrad How Is m=P^2/2KE Derived?
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4
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3K
Undergrad Calculate Torque and directional force
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3
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4K
Graduate Amount of kinetic energy in universe
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4
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3K
High School Traveling 60mph, is it really 88 feet/second?
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13
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3K
Undergrad Problem with angular accelaration
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1
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2K
Undergrad Direction of friction on bicycle wheels
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2
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11K
Undergrad Conservation of Energy, thinking question
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2
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2K
High School What is the relationship between depth and pressure in water?
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2
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38
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6K
Graduate What does this tensor symbol mean?
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6
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9K
The Thrill & Fear of Riding in a Roller Coaster's Front Car
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5
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2K
Graduate Center of mass and a bit vector calculus
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4
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3K
Undergrad Clarification on How Wireless Charging Works
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2
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3K
High School Equations of motion the conditions
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20
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7K
Undergrad Device That may defy the law of conservation
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11
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3K
Undergrad Force between movable objects versus one stationary one
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17
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4K
Undergrad Hinged lever held by a string - Problem regarding forces
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3
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2K
Undergrad Newton's 2nd - assumption or observation?
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High School Energy Dissipation when compressing a spring
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4K
High School Question about the conservation of momentum?
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5
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2K
Undergrad Physics in the sport of Basketball
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11
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7K
Undergrad Why is the length L divided by 2 in physical pendulum calculations?
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1
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2K
Undergrad Why does a comet get pushed away by the sun when it gets too close?
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7
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3K
Graduate Can Saggital Motion Help Estimate Frontal Displacement in Treadmill Walking?
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Undergrad Working of Van De Graff generator
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Undergrad Very confused about surface tension
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3
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7K
Undergrad Notation for Work Done: Mechanics vs. Thermodynamics
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2
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2K
Undergrad Drag torque of rotating cylinder
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7
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21K
High School F = m x a, but what if velocity is constant (making a zero)?
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10
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7K
High School Static Friction: Phone Books & Wood Blocks
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4
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3K
Undergrad Iron flywheel vs. Aluminum flywheel - Pros and Cons?
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21
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58K
Undergrad Integrating accelerometer data (obtain velocity and distance)
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1
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9K
Undergrad 3D elastic collisions of spheres: angular momentum
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1
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8K
High School Mysterious Physical Phenomenon: Balancing a Badminton Racket in Water
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2
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3K
Undergrad Is Additive Velocity Possible in Space Flight?
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4
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3K
Undergrad Fluid Mechanics - keeping water level constant
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1
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5K
Undergrad Accelerometer total not equal to 1
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2
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2K
Graduate Problem with 3d impulse and collisions
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25
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10K
High School Does the Force of gravity act at an object every second?
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22
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8K
Undergrad Paradox with Newton's E=1/2mv2 ? Looking for clarification
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19
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6K
Undergrad Removal of 1 g from accelerometer
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4
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3K
High School What are the units for centrifugal force and how do you calculate it?
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27
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26K
Undergrad Horsepower to G-Force: Calculations for a Tetherball
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3
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6K
Undergrad Wire Cable Shock Load Calculation
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1
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9K
High School Does air molecules travel with the same speed as the sound wave?
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2
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4K
Graduate Why Isn't Gravity a Repulsive Force Based on Energy Arguments?
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5
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2K
Graduate Can Chaotic Trajectories Approximating Periodic Orbits Exist Over Time?
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3
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4K
Graduate HyperVelocity Mass Accelerator-Helical Solenoidal Model
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2
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3K
High School What force is needed to break concrete?
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7
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13K
Undergrad Penetration of certain objects
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2
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2K
Graduate How do constraints affect the degree of freedom in particle motion?
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1
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High School How Can One Visualize a Billion Newtons of Force?
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22
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11K
Undergrad Is It Possible to Crack a Whip Faster than the Speed of Sound?
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3
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3K
Undergrad Can a waterspout and whirlpool cancel each other out?
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1
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3K
High School How does a bottle of paint spray work?
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1
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4K
High School What are the physics behind balancing drinks on a tray?
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1
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5K
Graduate 2 dimensional collision modeling
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2
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3K
High School Help Basic Rotational Dynamics Question
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4
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2K
Undergrad How can I determine linear motion in 3D using a 3-axis accelerometer?
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7
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6K
High School Why is the distance calculation multiplied by one half in this physics problem?
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6
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93K
Undergrad How Much Force is Needed to Hit a 90MPH Fastball?
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5
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6K
High School A question about centrifugal force
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8
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3K
High School Solve for Time: Rearranging an Equation with Help | Grade 11 Physics Final Prep
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1
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2K
Undergrad Is the Electric Force in a Shuttling Ball Experiment Balanced?
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4
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9K
Undergrad Pressurizing Water: Effects on Air & Water
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1
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5K
Undergrad How Does Power Affect Force in Space Travel?
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13K
Undergrad What is the derivation for a non-linear spring and its effects on deflection?
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7
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35K