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Undergrad Fluid Dynamic. Force on particles in carrying fluid (liquid)

May 3, 2016 · Replies 2 · May 3, 2016

Replies: 2

Views: 1K

Undergrad Need Conceptual Framework for Reaction vs. Net Force

May 2, 2016 · Replies 1 · May 2, 2016

Replies: 1

Views: 1K

Undergrad Divergence of the Navier-Stokes Equation

May 2, 2016 · Replies 1 · May 2, 2016

Replies: 1

Views: 5K

Undergrad Physical significance of integral of F cross dr

May 1, 2016 · Replies 7 · May 2, 2016

Replies: 7

Views: 3K

Undergrad Is My Approach to Calculating the Length of a Rotating Compound Pulley Correct?

Apr 14, 2016 · Replies 10 · May 2, 2016

Replies: 10

Views: 4K

Graduate Energy transfer in particle collisions

May 1, 2016 · Replies 2 · May 2, 2016

Replies: 2

Views: 2K

Undergrad Weight is less at equator than poles -- Acceleration vectors involved?

Apr 28, 2016 · Replies 8 · May 2, 2016

Replies: 8

Views: 2K

Graduate Is the Reverse of Bernoulli's Principle True in Venturi Outflow Pressure?

Apr 26, 2016 · Replies 2 · May 1, 2016

Replies: 2

Views: 2K

Undergrad Understanding Surface Tension: Laplace's Law and Balloon Experiment Explained

Apr 28, 2016 · Replies 2 · May 1, 2016

Replies: 2

Views: 3K

Graduate Partial derivative of Lagrangian with respect to velocity

May 1, 2016 · Replies 3 · May 1, 2016

Replies: 3

Views: 3K

Undergrad How to tell if energy was conserve in a momentum problem?

Apr 30, 2016 · Replies 4 · Apr 30, 2016

Replies: 4

Views: 2K

Undergrad Why is the speed of orbiting satellites constant?

Apr 29, 2016 · Replies 16 · Apr 30, 2016

Replies: 16

Views: 4K

Graduate Coriolis force in rotating space station

Apr 28, 2016 · Replies 3 · Apr 30, 2016

Replies: 3

Views: 3K

High School Elevator action-reaction pair/normal forces

Apr 19, 2016 · Replies 18 · Apr 29, 2016

Replies: 18

Views: 7K

High School Do electrons have kinetic energy in an electrical circuit?

Apr 29, 2016 · Replies 1 · Apr 29, 2016

Replies: 1

Views: 1K

Undergrad How do I use a free body diagram in this case?

Apr 28, 2016 · Replies 3 · Apr 29, 2016

Replies: 3

Views: 2K

High School Calculate Tension of Two Wires: Physics/Precalc

Apr 29, 2016 · Replies 3 · Apr 29, 2016

Replies: 3

Views: 2K

High School How can gravity have a horizontal component?

Apr 28, 2016 · Replies 14 · Apr 29, 2016

Replies: 14

Views: 5K

Undergrad Problem with classical mechanics

Apr 28, 2016 · Replies 6 · Apr 29, 2016

Replies: 6

Views: 2K

Undergrad Equations for bending steel in a car crash?

Apr 27, 2016 · Replies 3 · Apr 28, 2016

Replies: 3

Views: 3K

Undergrad Are Newtonian physics universal?

Apr 28, 2016 · Replies 2 · Apr 28, 2016

Replies: 2

Views: 1K

Graduate Tank tracks treads friction coefficient

Apr 28, 2016 · Replies 7 · Apr 28, 2016

Replies: 7

Views: 10K

High School How is conservation of momentum present in an airbag?

Apr 28, 2016 · Replies 3 · Apr 28, 2016

Replies: 3

Views: 3K

Undergrad Work & Displacement: Scalar vs Vector

Apr 26, 2016 · Replies 17 · Apr 27, 2016

Replies: 17

Views: 3K

Graduate Calculating the error in <x^2> from the error in <x> (Molecular Dynamics)

Apr 27, 2016 · Replies 14 · Apr 27, 2016

Replies: 14

Views: 3K

Graduate D.E. Littlewood's comments about escape velocity

Apr 25, 2016 · Replies 3 · Apr 27, 2016

Replies: 3

Views: 2K

Undergrad Equation to express the effect of velocity on mass

Apr 27, 2016 · Replies 4 · Apr 27, 2016

Replies: 4

Views: 1K

Graduate Rolling of body cone depends on whether ellipsoid is prolate or oblate?

Apr 13, 2016 · Replies 6 · Apr 27, 2016

Replies: 6

Views: 3K

Undergrad Power Output Given Certain Torque

Apr 23, 2016 · Replies 7 · Apr 27, 2016

Replies: 7

Views: 2K

Undergrad Finding acceleration of snow boarder

Apr 26, 2016 · Replies 5 · Apr 26, 2016

Replies: 5

Views: 5K

Undergrad Does buoyancy depend on shape and volume?

Apr 25, 2016 · Replies 10 · Apr 26, 2016

Replies: 10

Views: 6K

High School Who Applies the Larger Force on Earth and Moon?

Apr 26, 2016 · Replies 5 · Apr 26, 2016

Replies: 5

Views: 2K

Undergrad Calculate Pressure & Speed of Submerged Water Jet 100mm Away

Apr 20, 2016 · Replies 3 · Apr 26, 2016

Replies: 3

Views: 3K

Undergrad Finding work done using definite integrals

Apr 25, 2016 · Replies 11 · Apr 26, 2016

Replies: 11

Views: 3K

High School Centripetal Acceleration formula derivation

Apr 25, 2016 · Replies 5 · Apr 25, 2016

Replies: 5

Views: 5K

Undergrad Equation of continuity - what if more openings are added?

Apr 25, 2016 · Replies 5 · Apr 25, 2016

Replies: 5

Views: 2K

High School How to find the center of gravity of an object

Apr 24, 2016 · Replies 9 · Apr 25, 2016

Replies: 9

Views: 2K

Graduate Particle dynamics applied to geometrically parametric line

Apr 25, 2016 · Replies 6 · Apr 25, 2016

Replies: 6

Views: 2K

Undergrad Question about a Tangent Vector

Apr 23, 2016 · Replies 21 · Apr 25, 2016

Replies: 21

Views: 3K

Graduate How Can Water Evaporate Despite Strong Hydrogen Bonds?

Apr 22, 2016 · Replies 13 · Apr 25, 2016

Replies: 13

Views: 3K

Undergrad Question about static friction adjusting itself

Apr 24, 2016 · Replies 3 · Apr 25, 2016

Replies: 3

Views: 2K

Graduate How do pressure gradients develop instantaneously in Bernoulli flow?

Apr 19, 2016 · Replies 22 · Apr 24, 2016

Replies: 22

Views: 4K

High School What is the Gs of an object hitting the ground at 31 mph?

Apr 23, 2016 · Replies 14 · Apr 24, 2016

Replies: 14

Views: 2K

Undergrad Strange Magnus Force in a Whirlpool

Apr 23, 2016 · Replies 5 · Apr 24, 2016

Replies: 5

Views: 3K

High School Pulley Force Vector: Check Friction on 10kg Weight

Apr 22, 2016 · Replies 23 · Apr 24, 2016

Replies: 23

Views: 4K

Undergrad Work: Definition & Explanation

Apr 22, 2016 · Replies 7 · Apr 23, 2016

Replies: 7

Views: 2K

Graduate Free fall detect of rotating object

Apr 22, 2016 · Replies 10 · Apr 23, 2016

Replies: 10

Views: 3K

High School Is an Insect Flying at 150 km/hr Inside a Moving Car?

Feb 3, 2016 · Replies 19 · Apr 23, 2016

Replies: 19

Views: 3K

Graduate One-dimensional field momentum

Apr 21, 2016 · Replies 1 · Apr 23, 2016

Replies: 1

Views: 1K

Undergrad Is Newton's Third Law Always Accurate in Non-Inertial Frames?

Apr 23, 2016 · Replies 1 · Apr 23, 2016

Replies: 1

Views: 1K

Undergrad A simple pulley two mass system

Apr 20, 2016 · Replies 7 · Apr 22, 2016

Replies: 7

Views: 3K

Undergrad Is it more efficient to eject burnt fuel as reaction mass in rockets?

Apr 22, 2016 · Replies 2 · Apr 22, 2016

Replies: 2

Views: 2K

Undergrad Gravitational potential energy

Apr 20, 2016 · Replies 9 · Apr 22, 2016

Replies: 9

Views: 2K

Undergrad Can Thin Rods Bend More Easily Than Thick Rods?

Apr 18, 2016 · Replies 10 · Apr 22, 2016

Replies: 10

Views: 5K

Undergrad Ball rolling down a ramp, no slipping, + friction (conceptual question)

Apr 21, 2016 · Replies 4 · Apr 22, 2016

Replies: 4

Views: 4K

Graduate Motivation for Lagrangian mechanics

Apr 22, 2016 · Replies 2 · Apr 22, 2016

Replies: 2

Views: 2K

Undergrad Average Velocity from Velocity Profile

Apr 21, 2016 · Replies 10 · Apr 21, 2016

Replies: 10

Views: 5K

Graduate Analysis method to describe impact of variables on parameter

Apr 21, 2016 · Replies 2 · Apr 21, 2016

Replies: 2

Views: 1K

Undergrad Payload accelerate after rocket separation?

Apr 21, 2016 · Replies 4 · Apr 21, 2016

Replies: 4

Views: 1K

Graduate Rolling without slipping taking the contact point as pivot

Apr 21, 2016 · Replies 4 · Apr 21, 2016

Replies: 4

Views: 4K

Undergrad Gravitational constant for normalized masses

Apr 20, 2016 · Replies 7 · Apr 21, 2016

Replies: 7

Views: 3K

Graduate 2 Body Radial Equation, Effective Potential derivation

Apr 20, 2016 · Replies 1 · Apr 20, 2016

Replies: 1

Views: 1K

Graduate Estimating balloon internal pressure

Apr 20, 2016 · Replies 8 · Apr 20, 2016

Replies: 8

Views: 3K

Undergrad What is the relationship between barometer, pressure, and force?

Apr 14, 2016 · Replies 18 · Apr 20, 2016

Replies: 18

Views: 3K

High School Good materials for creating friction?

Apr 19, 2016 · Replies 19 · Apr 20, 2016

Replies: 19

Views: 2K

Is Helium 3 Mining on the Moon Still a Viable Power Source?

Apr 20, 2016 · Replies 4 · Apr 20, 2016

Replies: 4

Views: 1K

High School Build a Baseball Batting Cage: Weight Requirements for Posts

Apr 19, 2016 · Replies 13 · Apr 20, 2016

Replies: 13

Views: 4K

Undergrad Effects of lug height on final gear ratio for a snowmobile....

Apr 8, 2016 · Replies 91 · Apr 19, 2016

4

Replies: 91

Views: 10K

Graduate Acceleration due to fictitious force independent of mass?

Apr 15, 2016 · Replies 11 · Apr 19, 2016

Replies: 11

Views: 2K

Undergrad When is Lift on an aerofoil proportional to velocity?,

Apr 19, 2016 · Replies 2 · Apr 19, 2016

Replies: 2

Views: 2K

Undergrad Quarter mile 10s car minimum power requirement

Mar 31, 2016 · Replies 58 · Apr 18, 2016

2

Replies: 58

Views: 7K

Graduate Angular momentum conservation and constant velocity as expla

Apr 18, 2016 · Replies 1 · Apr 18, 2016

Replies: 1

Views: 2K

High School Explain relationship of Kinetic energy and acceleration

Apr 18, 2016 · Replies 2 · Apr 18, 2016

Replies: 2

Views: 1K

Undergrad Harmonic oscillator: Why not chaotic?

Apr 17, 2016 · Replies 3 · Apr 18, 2016

Replies: 3

Views: 2K

Graduate Centrifugal force on Earth and deviation of free falling obj

Apr 18, 2016 · Replies 6 · Apr 18, 2016

Replies: 6

Views: 4K

Undergrad Calculating Moment of Inertia for Combined Shapes

Apr 17, 2016 · Replies 3 · Apr 18, 2016

Replies: 3

Views: 2K

Graduate Torque opposite in direction to change in angular momentum?

Apr 13, 2016 · Replies 31 · Apr 17, 2016

2

Replies: 31

Views: 5K

Undergrad Damped Oscillators and Binomial theorem step

Apr 15, 2016 · Replies 6 · Apr 16, 2016

Replies: 6

Views: 2K

High School Car Driving At A Constant Speed

Apr 14, 2016 · Replies 6 · Apr 16, 2016

Replies: 6

Views: 3K

Undergrad Why water is a dispersive medium?

Apr 12, 2016 · Replies 20 · Apr 16, 2016

Replies: 20

Views: 6K

Graduate Can a cone roll in a straight line without slipping?

Apr 15, 2016 · Replies 15 · Apr 16, 2016

Replies: 15

Views: 4K

High School Understanding Newton's Balanced Forces: Overcoming Misconceptions

Apr 15, 2016 · Replies 9 · Apr 15, 2016

Replies: 9

Views: 2K

Undergrad Water Well Pressure - Is it Possible to Drain Entirely?

Apr 15, 2016 · Replies 13 · Apr 15, 2016

Replies: 13

Views: 3K

Graduate A doubt from rigid body dynamics

Apr 14, 2016 · Replies 2 · Apr 14, 2016

Replies: 2

Views: 2K

Undergrad Example of torque-free rotation with a fixed point

Apr 13, 2016 · Replies 2 · Apr 14, 2016

Replies: 2

Views: 2K

Undergrad Variation of mass in a system and acceleration

Apr 14, 2016 · Replies 2 · Apr 14, 2016

Replies: 2

Views: 1K

Graduate Is kinetic energy included in the equation E = hν for a photon?

Apr 9, 2016 · Replies 19 · Apr 14, 2016

Replies: 19

Views: 3K

High School Pulses, waves, train waves....

Apr 11, 2016 · Replies 13 · Apr 14, 2016

Replies: 13

Views: 2K

Undergrad Spring stretch - Do I use Force or Potential Energy

Apr 13, 2016 · Replies 4 · Apr 14, 2016

Replies: 4

Views: 2K

Graduate Does Kutta Joukowski Theorem applies to Coanda effect (UAV)?

Apr 11, 2016 · Replies 5 · Apr 14, 2016

Replies: 5

Views: 3K

Undergrad Rolling friction on a horizontal surface

Apr 13, 2016 · Replies 1 · Apr 13, 2016

Replies: 1

Views: 1K

High School Does Gaining Muscle Mass Affect Your Vertical Jump?

Apr 13, 2016 · Replies 1 · Apr 13, 2016

Replies: 1

Views: 2K

Undergrad Calculate boiling rate of water

Apr 11, 2016 · Replies 36 · Apr 13, 2016

2

Replies: 36

Views: 16K

Graduate Angle required to hit the target in projectile motion

Apr 13, 2016 · Replies 2 · Apr 13, 2016

Replies: 2

Views: 4K

Undergrad What's the equivalent distance of fall for 1500G

Apr 8, 2016 · Replies 13 · Apr 13, 2016

Replies: 13

Views: 6K

Graduate Aerodynamics vs pressure Gradient

Apr 12, 2016 · Replies 3 · Apr 13, 2016

Replies: 3

Views: 2K

Graduate Transverse Doppler effect of sound?

Apr 13, 2016 · Replies 9 · Apr 13, 2016

Replies: 9

Views: 3K

Undergrad Angular Momenta and Actions of Orbits

Apr 10, 2016 · Replies 4 · Apr 13, 2016

Replies: 4

Views: 1K

Undergrad Both pressure and vacuum eliminate bubbles ?

Apr 13, 2016 · Replies 3 · Apr 13, 2016

Replies: 3

Views: 2K

High School Creating a Floating Oil Rig Model with Recycled Materials | Size: 60x50x50cm

Apr 13, 2016 · Replies 1 · Apr 13, 2016

Replies: 1

Views: 1K

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