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Undergrad Two cars driving 30 and 40 mi/hr is like hitting a brick wall at 70 mi/hr
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Undergrad What are the differences between regimes I and II in drag forces?
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5
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2K
Graduate What Direction Would a Reversed Water Sprinkler Spin Underwater?
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9
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4K
High School Can a Fly Lift a Balloon with Human Breath?
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7
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2K
High School What is the highest power in physics equations?
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17
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8K
Graduate How can classical mechanics explain the lack of centrifugal force in orbit?
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19
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5K
Graduate Rolling motion on inclined plane: centre of mass acceleration, friction, torque
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14
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30K
Graduate Understanding angular momentum
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7
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10K
Undergrad Testing Bungee Cords & Surgical Tubing: Does F=-kx Apply?
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14
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7K
Undergrad How to Determine the Location and Velocity of a Rolling Ball Down a Smooth Hill?
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6
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12K
Graduate Solid sphere rolling on rough surface
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14
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12K
High School How to Label a Simple Motor Diagram?
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13
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17K
Undergrad Calculating Resultant RPM from Force Applied to Gear/Wheel
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6
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16K
High School Is frictional force really a force?
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12
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5K
Graduate Johnson noise power distribution?
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3
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3K
Undergrad Centripetal force on an industrial fan
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11
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10K
Undergrad A few little questions about force
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16
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3K
Graduate Dependence of potential on only the *difference* between two variables
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1
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2K
Undergrad How Do Forces Affect the Motion of a Body in Space?
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20
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3K
Undergrad Analysis of Curve Trajectory - Is It Correct?
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4
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2K
Undergrad What is the formula for calculating drag on spherical objects in laminar flow?
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5
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35K
Undergrad How to calculate the required force necessary for orbit
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6
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5K
Undergrad Road trip Which option is the best roll-on?
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2
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2K
Undergrad Calculating the Entry Area for a Funnel to Increase Air Speed
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22
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10K
Graduate Rocket Equation with varying gravity
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1
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3K
Undergrad Meat-eors: How fast does a steak need to travel to cook completely?
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11
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3K
Undergrad Calculating energy requirements for heavy runners
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2
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3K
Graduate Forces that depend only on distance
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1
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2K
Undergrad Why Does Coriolis Force Deflect Freely Falling Rocks?
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2
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5K
Undergrad How Do You Calculate the Motion of an Object on a Sine Wave?
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2
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2K
High School If the object ends up at its initial point
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1
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2K
Graduate How to Determine the Angle of a Fluid in a Moving Vehicle Using Fluid Mechanics?
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1
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2K
Undergrad How Does Work and Potential Energy Interact Between an Object and the Earth?
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8
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2K
Undergrad Normal reaction in a rolling object
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6
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2K
Graduate Is a photon's momentum transverse?
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2
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2K
Undergrad Bernoulli's Equation and decreasing pressure
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8
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12K
Undergrad Find Resting Distance of Spring with Tension & Constant
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1
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2K
High School What advantage of oil in hydraulic brake over air?
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14
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24K
Undergrad Pressure at Altitude: Sea Level vs 14,000 ft
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8
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10K
Undergrad A ballistics question I have (regarding penetration)
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2
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2K
Undergrad Controversy over heights achieved at moon jumpings
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15
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8K
Undergrad Maximum velocity of a vehicle moving downhill
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20
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13K
Undergrad Why is the a=dv/dt equation used in integration and when is it applicable?
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6
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86K
Graduate Average Kinetic Energy of Ions after EI in MS?
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1
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2K
Undergrad Question about conservation of energy/mass
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2
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2K
Graduate The big accelerator 'round the Moon
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14
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3K
Graduate Newton's law of universal gravitation
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5
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4K
High School Does Reversing Battery Terminals Affect a Potential Divider Circuit?
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1
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2K
Undergrad Max bursting pressure within an aluminium container
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5
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13K
Undergrad Variable acceleration question
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8
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3K
Undergrad Are There Any PDFs on Lagrangian Dynamics with Problems and Solutions?
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3
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9K
Undergrad Work & Energy Transfer: Comparing Configurations
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2
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2K
High School Understanding Zero Velocity and Non-Zero Acceleration: Explained
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16
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14K
Undergrad Reading Russell's ABC of Relativity, stuck in chapter 3 (about speed of sound)
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6
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2K
Undergrad What Causes a Flying Disc to Roll in the Opposite Direction of its Spin?
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16
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17K
High School Does Walking on Creaky Floorboards Consume More Energy Than Normal Floorboards?
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2
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2K
Undergrad Why is kinetic energy conserved in collisions?
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2
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16K
High School Object Velocity 0.00: How to Tell if It's Not Moving
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3
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3K
Graduate Lectures on Classical Mechanics - J. Baez
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2
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12K
Undergrad Summing Up Vector Dot Products to Reach 0
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26
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17K
Graduate Velocity of compressed air blowoff
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1
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8K
Undergrad Newton's Cradle: Does it Really Demonstrate P = mv and E = 1/2mv^2?
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1
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3K
Undergrad Hydrostatic Pressure: Liquids or Air?
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5
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3K
Undergrad What is Potential Energy? Learn About V=(1/2)*m*w2*x2
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7
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2K
Undergrad What is the net force and kinetic energy of an 800g part hitting at 170mph?
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3
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2K
Undergrad Calculating Torque Needed to Stop Flywheel
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1
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4K
High School Battery Basics: How Alessandro Volta's Invention Works
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2
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2K
Undergrad Physics Sim: Relating Linear & Angular Force
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17
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7K
Graduate Resolving Power: Abbe vs. Rayleigh Criterion
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7
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8K
Undergrad Why does a fluid exert an upward force?
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5
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13K
Undergrad Escape velocity and Dark Matter
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6
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3K
Undergrad Acceleration of ball bearing near solenoid
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6
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6K
Graduate How Does Point Loading Affect the Tension of a Pre-Tensioned Catenary Wire Rope?
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5
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17K
Graduate How can a potential depending on velocities give equal and opposite forces?
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2
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2K
Undergrad Ngine running at 900 RPM to power a generator
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4
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2K
High School Object's Speed: Does Force Double Speed?
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12
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3K
Undergrad Linking Pressure, Force and Velocity
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3
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20K
High School How Can Gravity's Constant Be Considered Uniform Near Earth's Surface?
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13
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3K
Undergrad Direction of Torque: Understanding the Basics
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4
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5K
Undergrad How Can I Calculate the Pressure Loss Coefficient of a Diffuser?
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1
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10K
High School Can You Pop an Underwater Air Bubble by Poking It?
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4
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9K
High School Comparing Planetary Orbits & Rotations in Pictured Figures
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5
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2K
Undergrad Are Plumber Blocks Strong Enough for 880 Nm of Torque?
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9
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9K
Undergrad Strange water boiling phenomenon
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2
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5K
Undergrad Elastic Collisions solving for velocity any help?
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1
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2K
High School Why Do Some Objects Bounce While Others Don't?
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8
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8K
Undergrad Volume moved through by an object at variable velocity
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8
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2K
Undergrad Elastic Collisions angle 90 degrees
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7
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22K
High School Kinematic Equations: View List & Explanations
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2
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3K
Graduate How Do You Model a Horizontal Double Pendulum with External Forces?
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1
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4K
Undergrad Theoretical Armor Question - Joules Conversion
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15
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15K
Graduate Correspondence between Hamiltonian mechanics and QM
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3
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2K
Undergrad Can Rain Drops Power Our Homes? A Theoretical Calculation
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5
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14K
Undergrad Easiest Cavendish G experimental setup
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2
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5K
Undergrad Spring to propel object at specific velocity
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4
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4K
High School Static Friction: Energy Conservation Explained
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15
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4K
Undergrad Rotational inertia and areal velocity
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25
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5K
High School How do velocity and angle relate in projectile motion graphs?
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1
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3K
Graduate Calculating wind pressure against a rigid wall
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49K
High School Sun vs. moon - affects on tides.
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2
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4K