Mechanics Forum

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High School A cannon ball and a moving train.
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11K
Undergrad Rocket launch that produces a certain g-force
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3
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2K
Graduate How Does Friction Factor Relate to Velocity in Fluid Dynamics?
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1
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5K
High School Does friction increases as speed increases?
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9
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42K
Undergrad How to deal with direction on impluse?
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2
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2K
High School Can Sound Rise Like Heat? Searching for Answers...
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3
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3K
High School How can I make my Pinewood Derby car more aerodynamic?
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6
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4K
Undergrad How Does Two Car Drafting Reduce Air Resistance for Faster Speeds?
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2
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3K
Graduate What Determines the Shift from Compression to Tension in a Swinging Rod System?
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2
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22K
Graduate Race Car Physics: Mastering Tire Contact Patch for Auto Racing Success
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3
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12K
Graduate Escape Velocity and Earth's gravational pull
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14
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5K
High School Online physics tutorials sites for junior level mechanics
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2
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7K
Undergrad Which formula is a better predictor for changes in arrow weight: KE or Momentum?
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4
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2K
High School Measuring CO2 pressure in a soda bottle
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10K
Undergrad Calculating Torque to Move Object
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4K
Undergrad Does Earth's Gravity Do Work on Satellites?
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Undergrad Velocity as function of Displacement to Displacement as function of Time
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3
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High School Micro Oven - Portable- Butane powered
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3K
Undergrad How long can you survive in space (vacuum) without pressure suit?
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2
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14K
Undergrad Circular motion of car on banked track, with friction
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8
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12K
High School Is Your 42 kg Scale Reading Accurate in Different Gravitational Fields?
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3
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3K
Undergrad Question about Pascal and pistons
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8
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3K
Undergrad Hydostatic pressure at bottom of a cylindrical and conical tanks
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9
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Graduate Accelerated Pendulum Frequency: g-a vs g+a
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3K
High School Air pressure from a ceiling fan.
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6
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10K
Undergrad Is the Impact Force Really Twice the Object's Weight?
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4
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3K
Undergrad Pressure of gases in a container
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1
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4K
Undergrad Effect of mass and springs on the damping of mass spring system
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5
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25K
Graduate Deriving Hamilton's Equations for a Particle: A Non-Physicist's Guide
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4K
Undergrad Calculating Gravitational Attraction Between Two Masses in Empty Space
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8K
Graduate Solving Rotation Condition for Equation of Motion
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1
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3K
Undergrad How to Calculate Bullet Trajectory and Distance in Game Development?
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2
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5K
Graduate HELP required calculating spring strength.
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15
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7K
Q: Would you rather land on water or marshmallow?
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8K
Undergrad Does an impulsive force produce any work?
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5
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4K
Undergrad Turning Force vs. Accelerating Force
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9
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5K
High School A question about gravity/upward motion
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21
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4K
Undergrad Calculating Relative Energy of a Jumping Man
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25
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6K
High School How masses are added together on a lever
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1
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3K
High School How much pressure does water have to be in for it to phase change
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2
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4K
Undergrad Moment of Inertia of rectangular plate
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20
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75K
Undergrad Finding weight of an unknown mass
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5
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8K
Undergrad Hydrostatics QA: Why Does Weight Increase When Adding Floating Material?
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3
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3K
High School What speed is something moving at right before it stops?
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15
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4K
Undergrad Understanding Mechanical Advantage in Pulley Systems
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12
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4K
Graduate Understanding Dumbbell Rotation: Laws and Material Constants
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3
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3K
Undergrad Uniform disk lying on a flat, frictionless surface
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9
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4K
Graduate Understanding Eulerian Description of a Continuum
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4
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3K
Undergrad Circular motion : direction of frictional force
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5
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13K
Graduate What does the principal axes help in rotation probelm?
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5
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6K
Undergrad How Does Atmospheric Pressure Vary Between Micro and Macro Perspectives?
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12K
High School Question about momentum involving shooting a hockey puck
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3K
Undergrad First Newton's Law: Why Only Two?
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8
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Graduate How can I find the acceleration of the plank
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3
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4K
Graduate Help understanding rotation relations in different frame
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6
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3K
High School Can a ball roll down a frictionless plane?
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16
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17K
High School My Math or Science Teacher: Who is Correct?
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2
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3K
Undergrad What Careers Are Possible with a Physics Degree Besides Lab Work?
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2K
Graduate Testing the "Space Drive": Breaking Laws of Conservation?
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10
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3K
Graduate Why only positions and velocities
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2
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2K
Undergrad Translational vs. Rotational Kinetic Energy
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2
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8K
High School Thanksgiving Dinner Debate About GoPed Gearing
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Undergrad Calculate Time & Force for Steel/Bakelite Ball Through Sea Water
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3K
Graduate EOMs for T Shaped Pendulum with Non-Conservative Force
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3
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4K
High School I need to know how many FPS it takes to go 0-60 at 6.7 seconds
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13
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5K
Undergrad Don't understand the choice of zero-potential level
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3
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2K
High School Practical Problem (debate between friends)
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5
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4K
Graduate Can Neutral Particles be Accelerated by Polarization and External Fields?
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4
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5K
High School Is There a Speed of Darkness? And Other Questions About Light and Perception
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Undergrad Momentum and Energy gives different answer
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2
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Graduate Satellite Reentry: Examining Newtonian Gravity
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2K
High School How to Calculate Acceleration on the X Axis Using Tri-axial Accelerometers?
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8
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3K
Undergrad Will a Ball Stop in a Frictionless, Airless Tube?
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13
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3K
Undergrad Understanding the Mechanics of Sound Travel: A Physics Perspective
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18
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17K
Undergrad Is Conservation of Energy Always Applicable in Collisions?
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10
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3K
Undergrad A Unit Question: Flicking a Switch
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3
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2K
High School Why is an sattelite's motion not circular?
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5
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2K
High School Horizontal and Vertical components of falling objects
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6
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10K
Undergrad Why Do Water Particles Move in Circular Paths in Waves?
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3
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3K
High School Elephant toothpaste experiment cannon?
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1
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4K
Undergrad What is the terminal velocity of mass falling toward earth?
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7
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7K
Undergrad Compressed Air Pressure Drop Across a Restriction
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5
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7K
High School How does air react to a surface with a lower coefficient of friction
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16
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6K
High School Are angular displacement, angular velocity, and angular acceleration, vectors?
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5
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21K
Undergrad Does a Styrofoam Ball Rise in a 30 ft Water-Filled Pipe?
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5
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3K
Undergrad Styrofoam object- rise or sink?
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1
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2K
Undergrad Rotational doubt (also momentum)
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5
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High School How to use impulse to solve any problem?
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3
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2K
Graduate Help Solve Process Engineering Problem in Aluminum Foundry
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4
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3K
Undergrad Bicycle gears, energy, work and power?
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2
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4K
Undergrad Why do rotating pulleys have different tensions on either side?
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1
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6K
Undergrad How much force would you need to escape earth's gravity by JUMPING?
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15
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17K
Undergrad If a wheel is rolling without slipping
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14
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4K
Undergrad Solving Multi-Spring System for Node4
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9
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3K
Undergrad The Importance of Escape Velocity and Its Role in Space Exploration
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4
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3K
Undergrad Understanding the Net Work Energy Concept: Defining F in Work Equations"
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1
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3K
Undergrad Calculating Whip Speed: The Science Behind It [SOLVED]
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7
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8K
High School Help explaining physics demonstration
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1
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Graduate How long to freeze standing water in steel pipe
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3
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13K
High School What is the terminal velocity of a ping pong ball?
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3
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23K