Mechanics Forum

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Undergrad Force applied to dumbbell to CM and edge
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3K
Graduate General Work Functions: Validity Check
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1
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1K
Undergrad Earth's Gravitational Force On Me
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4
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2K
Undergrad Rigid Body Collision: Angular Velocity Question
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3
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2K
Undergrad Determining Young's Modulus by Bending a Piece of Wood
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5
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28K
High School Question re: emf waves distance & speed
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12
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2K
Undergrad Measuring Torque: Ideas & Solutions for Lab Projects
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5
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1K
Undergrad Fast and Furious 6: Collisions
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4
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5K
Graduate Research Topics in Statistical Mechanics
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1
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2K
Graduate Is central motion stable with criteria for force function f(r)?
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1
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893
High School At 15m: Pellet vs BB Accuracy & Aerodynamics
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5
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2K
Undergrad Uniform Circular Motion puzzle
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8
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2K
Undergrad Relative velocity of river swimmer
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10
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6K
Undergrad Question about mechanical energy and lowering a block
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4
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2K
High School Does High Jumping Cause Weightlessness?
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4
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2K
High School Accel Due to Gravity When Obj Touches Ground
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10
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2K
Graduate A question on Lagrangian dynamics
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6
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2K
Undergrad Von Braun rotating space station
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2
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2K
Undergrad Lagrange and program to calculate trajectory
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3
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1K
Graduate Lennard Jones Potential & Kinetic Energy
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4
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3K
High School Gaining Understanding Orbital Dynamics & N-Body Simulation
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12
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2K
High School Question about Third Newton Law
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11
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2K
Undergrad Does a Falling Object Ever Truly Reach Terminal Velocity?
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14
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3K
Undergrad Conceptual question regarding buoyant force
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7
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4K
High School Equilibrium of Tilting Beam w/ Weight: Why does it Work?
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5
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6K
High School What happens to an object's velocity when thrown out of an aircraft?
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11
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4K
Undergrad Confused in diffferent forces involved in circular motion
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7
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7K
Graduate Solving Dimensional Homogeneity: Prove Validity Without Going to See?
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16
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3K
Undergrad Don't Understand Tension in this Instance
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1
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1K
Undergrad Similarities between propeller aircraft and jet aircraft?
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14
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3K
Undergrad Force parallel to a smooth wall?
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5
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3K
High School Friction Force Calculation at an Angle on Flat Surface
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3
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1K
Undergrad Designing Powerful Water Guns for Distance Propulsion
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2
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3K
High School If the net work is zero. Why is the object still moving?
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13
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17K
Undergrad Relationship between force and (kinetic) energy
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5
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7K
High School What Speed Does a 790kg Mass Need to Move a 1523kg Mass?
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4
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1K
Undergrad Rigid Body Rotational or Translational ?
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10
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2K
Undergrad Understanding Initial Velocity in Free Fall: The Role of Perspective
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2
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2K
Graduate Atom/photon energy conservation
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5
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3K
High School What Delta Y Should Be Used to Calculate Viy in a Marshmallow Catapult?
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1
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2K
Undergrad Clueless and in need of help -- I was the rear car of a 4 car collision
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4
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2K
Graduate How does Lagrange Mechanics work in coordinate space?
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1
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1K
Undergrad Why Do Land Animals Have Denser Bones Than Sea Animals?
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3
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6K
Undergrad Can Friction Force Balance Normal Force in a Vertical Direction?
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1
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1K
High School Does a swinging pendulum experience centripetal acceleration?
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8
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2K
Undergrad Bounce Height: Light vs Heavy Ball
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6
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6K
Graduate Angular momentum in a collision
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10
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3K
High School Do Vector Components Represent Displacement?
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3
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2K
Undergrad Are *two* external forces always required to cause rotation?
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9
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3K
High School Air pressure stays the same or increase?
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8
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2K
Undergrad Calculate Flow Rate From Pressure at Two Points?
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1
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3K
Graduate Lagrangian mechanics: sphere inside a cylinder
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6
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11K
Undergrad Tangential and centripetal acceleration
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4
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2K
Graduate How do I model the motor in this free body diagram problem?
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2
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2K
Graduate Why is it so much easier to lift a spinning gyro than if stationary?
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24K
Graduate Relationship between surface area and damping coefficient
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1
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6K
Undergrad Three Phase Generator: Knowledge Sharing
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4
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1K
High School How can you accurately find the initial velocity of a toy gun?
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4
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2K
Undergrad Resultant vector physics problem
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24
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5K
Undergrad Is Energy Being Conserved in This Almost Paradox Scenario?
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20
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2K
High School Perception of far object that is in motion
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4
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1K
Undergrad Answer Total Work Question: Understand Why Total Work is Zero with ΔPE
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1
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931
Undergrad Can all matter be potentially annhilated?
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1K
Undergrad Is Extra Force Needed to Lift an Object Against Gravity?
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5
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3K
High School Why water become thinner when falling?
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6
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2K
Undergrad Conceptual problem regarding pressure and surface area
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2
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1K
Undergrad Displacement in Conversation of Energy on Incline vs Projectile
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1K
Undergrad Bernoulli equation application
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6
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1K
Undergrad Physics principles and animal locomotion
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4
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5K
Graduate Buoyancy of a vacuum-filled "space tower"?
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11
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2K
High School GPE & KE: Understanding the Fundamentals
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9
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4K
High School Changing the Direction of Work
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1K
High School Understanding Ax = x cos(angle) and Ay = y sin(angle) in Physics
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4
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6K
Graduate A question about a rotating space structure
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7
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2K
Undergrad Rotational Mechanics: Tension Difference in Pulley Due to Friction
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4
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1K
Graduate Wave Motion: Why Does Particle Lag Behind its Predecessor?
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1
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1K
Undergrad Gravitational Potential (problems with definition)
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1
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2K
High School Does driving a car affect the Earth's rotational velocity
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4
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3K
Graduate How to derive lagrangian for any classical system?
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9
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2K
Undergrad Satellite orbiting the Earth vs the moon?
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4
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2K
Undergrad Crushing of objects due to forces
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5
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3K
Undergrad Shape of Projectile: Elliptical Equation
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1
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1K
Undergrad Need help with deriving air drag equation
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10
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2K
Undergrad Calculating the velocity decrease going up an incline
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2
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4K
Undergrad Water Density & Volume: 0-100°C
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10
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3K
Undergrad Motorcycle cornering force on each tire?
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3
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5K
Undergrad Please help, conceptual motion of a transverse wave on a string question
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8
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2K
Undergrad Why does water flow faster through a hose if its choked?
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2
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2K
Graduate Forces and motion -- a monkey lifting a package up with a rope over a limb
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2
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3K
High School Rolling Friction: Why Wheels are Used on Solid Surfaces
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1
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2K
Undergrad How much force I have to apply to throw a stone out of orbit?
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7
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2K
Undergrad Calculating Reynold's Number for an Infinite Plate | Understanding the Basics
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4
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1K
Graduate Why does the pressure of a fluid in motion change?
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3
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2K
Graduate Does the Bernoulli Effect Apply to the Jet Reaction Force in a Leaking Bucket?
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8K
High School Understanding Conservation of Energy in a Block on a Rough Surface System
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2
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1K
Undergrad Increasing GPE & KE: Can Force x Distance Be Avoided?
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2
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2K
Undergrad Work done by external force on a system
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4
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12K
Undergrad Bernoulli Principle and fluid velocity
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27
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6K
Graduate How do the W and Z Gauge Bosons work in the weak nuclear force?
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3
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5K
Undergrad Physics Behind the Flutterbye Flower Fairy
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8
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3K