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Same gravitational acceleration of unequal masses
May 14, 2009
3
Replies
87
Views
15K
Graphing question with Springs and Energy?
May 14, 2009
Replies
2
Views
2K
Calculating Force of Jumping Motorcycle
May 14, 2009
Replies
7
Views
7K
Pump Pressure for Fluid Mechanics: H, v, P0
May 14, 2009
Replies
2
Views
2K
Will a Sphere Roll or Slide on an Inclined Plane?
May 14, 2009
Replies
6
Views
7K
Force of car at 40mph is equivalent to bowling ball at ?
May 14, 2009
Replies
2
Views
4K
Conservation of momentum on a swing
May 13, 2009
Replies
7
Views
10K
What are the Physics Behind Baseball Pitching Techniques and Illegal Pitches?
May 13, 2009
Replies
2
Views
4K
How powerful would super jump shoes have to be?
May 13, 2009
Replies
3
Views
3K
Is Friction Dependent on Surface Area in Braking Performance?
May 13, 2009
Replies
3
Views
2K
Basic question on the Newton and acceleration
May 12, 2009
Replies
9
Views
8K
Question about weight/mass/force I can´t explain
May 12, 2009
Replies
6
Views
5K
How do you make the potential zero at infinity, here
May 12, 2009
Replies
9
Views
3K
What makes the sound when balloons pop?
May 12, 2009
Replies
3
Views
6K
Relationship power and amplitude
May 12, 2009
Replies
21
Views
56K
Angular momentum, Spin and satelites
May 12, 2009
Replies
7
Views
3K
Why does water with no gravity acting upon it form a sphere?
May 11, 2009
Replies
34
Views
13K
Angular momentum of a solenoid
May 11, 2009
Replies
3
Views
3K
A falling mass attached to a load/slowing acceleration of gravity.
May 11, 2009
Replies
2
Views
2K
What is the formula for calculating mechanical advantage in a pulley system?
May 11, 2009
Replies
2
Views
6K
Angular velocity vs Quaternions
May 11, 2009
Replies
7
Views
7K
How do you work out the take off velocity from max vertical height attained?
May 11, 2009
Replies
7
Views
18K
Conservation of Linear/Angular Momentum?
May 10, 2009
Replies
3
Views
14K
How do Toroids work, and What are they used for?
May 9, 2009
Replies
8
Views
33K
Friction force in rotating and translating objects?
May 9, 2009
Replies
2
Views
3K
How Much Torque is Needed to Lift a 0.44m Robot Arm?
May 9, 2009
Replies
2
Views
10K
Why a spinning top won't fall to the ground?
May 9, 2009
Replies
2
Views
2K
Calculating Additional Braking Torque Due To Momentum
May 9, 2009
Replies
15
Views
8K
Effects of Friction on Deceleration.
May 8, 2009
Replies
2
Views
7K
Which one would work better for me: PVC or Aluminum?
May 8, 2009
Replies
2
Views
1K
Calculating the Speed of a Spinning Wheel for Engineering Students
May 8, 2009
Replies
6
Views
6K
Is Is acceleration due to gravity and gravity same thing?
May 8, 2009
Replies
9
Views
5K
Can rotational force of the earth have any effect on flying projectiles?
May 8, 2009
Replies
34
Views
13K
Difference between intensity and power
May 8, 2009
Replies
3
Views
15K
Why should or shouldnt this work?
May 7, 2009
Replies
6
Views
2K
Does water density play a role in the speed of surface waves?
May 7, 2009
Replies
3
Views
23K
Mechanics of a torsion pendulum
May 7, 2009
Replies
7
Views
7K
The other end water phase diagram
May 7, 2009
Replies
2
Views
3K
Pressure in Fluids: Why Does It Act in All Directions?
May 7, 2009
Replies
7
Views
3K
Why Do Wheels Make Moving Easier?
May 7, 2009
Replies
3
Views
6K
What is the fastest substance for sound to travel in?
May 6, 2009
Replies
10
Views
6K
Centripetal Force: Why Does Friction Provide It?
May 6, 2009
Replies
6
Views
4K
EM Pulse Effects & Calculation: Fourier vs Laplace
May 6, 2009
Replies
4
Views
2K
Quantity conservation and calculus
May 5, 2009
Replies
2
Views
1K
Ball dropped from a moving train
May 4, 2009
Replies
4
Views
7K
Calculating Force Due to Velocity | Simplified Method for Calculations
May 4, 2009
Replies
24
Views
77K
Charging potential vs time graph.
May 4, 2009
Replies
15
Views
6K
Rotational & linear dynamics: why so similar?
May 3, 2009
Replies
2
Views
2K
Exploring Energy Conservation: A Beginner's Guide to the Fundamental Principle
May 3, 2009
Replies
3
Views
5K
Who is/was Barton (re: Barton's Pendulum)?
May 3, 2009
Replies
3
Views
4K
A circular body motion around its axis
May 3, 2009
Replies
2
Views
2K
Why Doesn't Friction Force Create Torque?
May 2, 2009
Replies
14
Views
4K
Conservation of momentum and loss of energy in inelastic collisions
May 2, 2009
Replies
11
Views
24K
Moment of Inertia of a cylinder
May 2, 2009
Replies
7
Views
4K
Force on 2 Power Lines: Why Does it Repel?
May 1, 2009
Replies
13
Views
3K
Why electic potential on the center of a disk axis = 0
May 1, 2009
Replies
2
Views
1K
Why water freezes at low pressure?
May 1, 2009
Replies
2
Views
5K
Finite speed of signal transmission and conservation laws
Apr 30, 2009
Replies
2
Views
2K
How does a gyroscope react to external torque and gravitational forces?
Apr 30, 2009
Replies
2
Views
3K
Impact Forces & Brittle Behaviour - Finding a Simple Approximation
Apr 30, 2009
Replies
2
Views
2K
Stop a Pendulum: Calculate Stopping Force
Apr 29, 2009
Replies
5
Views
5K
How many G's does a skydiver experience in freefall?
Apr 29, 2009
Replies
9
Views
11K
Simple Pendulum / Rotational Kinematics
Apr 28, 2009
Replies
3
Views
2K
Spring force - does it scale linearly?
Apr 27, 2009
Replies
4
Views
5K
Newtonian potential in Helmholtz decomposition
Apr 27, 2009
Replies
2
Views
2K
3 Law on Reynolds momentum transport equation
Apr 27, 2009
Replies
2
Views
3K
Equations for aiming tennis ball parabolic motion
Apr 27, 2009
Replies
4
Views
6K
Water Seeping Upward: Exploring Surface Tension
Apr 26, 2009
Replies
3
Views
3K
Physics of Work: Is Zero Work Really Zero?
Apr 26, 2009
Replies
4
Views
2K
Is there a difference between mean speed and average speed ?
Apr 26, 2009
Replies
9
Views
40K
Aluminum liquid flow under pressure question
Apr 25, 2009
Replies
7
Views
2K
Calculating Trajectory and Force of Bow & Arrow
Apr 25, 2009
Replies
2
Views
4K
Jet vs. Hovercraft - the momentum dillemna
Apr 25, 2009
Replies
13
Views
3K
How to calculate the work from force (acceleration and mass)
Apr 24, 2009
Replies
2
Views
51K
Constant acceleration requires continous power increase
Apr 24, 2009
Replies
22
Views
12K
Rotational Momentum: Larger Mass vs. Smaller Mass - Which Has More Energy?
Apr 24, 2009
Replies
23
Views
6K
Thought experiment about pressure (intro physics)
Apr 24, 2009
Replies
2
Views
2K
AS physics help motion i think
Apr 24, 2009
Replies
2
Views
2K
Understanding Inertia Force in the Vibration Theory of a Spring Mass System
Apr 24, 2009
Replies
14
Views
42K
Calculating Force for Lifting Weight at Different Angles
Apr 23, 2009
Replies
4
Views
5K
Understanding Ball Deformation in Collisions: A Microscopic vs. Macroscopic View
Apr 23, 2009
Replies
4
Views
2K
Sound isolation capacity of an idealized wall construction
Apr 23, 2009
Replies
2
Views
2K
Personal Water Craft (Jetski, etc)
Apr 23, 2009
Replies
9
Views
8K
Motion on Ramp: Solving for x with Initial Conditions
Apr 23, 2009
Replies
6
Views
2K
Which wagon reaches point B first and with the highest velocity?
Apr 23, 2009
Replies
2
Views
3K
Discover the Fascinating Connection between Sound Waves and Salt | Metacafe
Apr 23, 2009
Replies
3
Views
3K
Renormalisation group in statistical mechanics
Apr 23, 2009
Replies
3
Views
1K
Trying to conceptualize angular momentum.
Apr 23, 2009
Replies
11
Views
5K
Why Flies Can Fly Freely in Moving Cars
Apr 22, 2009
Replies
2
Views
3K
Is Momentum Conserved in a Colliding System with Gravity?
Apr 22, 2009
Replies
5
Views
2K
Questions About Aerodynamics and Flying Cars- Help
Apr 22, 2009
Replies
9
Views
3K
Can a Supersonic Car Navigate Safely on Public Highways?
Apr 22, 2009
Replies
2
Views
2K
Who created a self-sustaining water fountain without electricity?
Apr 21, 2009
Replies
15
Views
35K
Deriving Centripetal Acceleration
Apr 20, 2009
Replies
2
Views
3K
Function to model intensity change over rotation
Apr 20, 2009
Replies
2
Views
1K
Gravitational Potential Energy - Further=Smaller?
Apr 20, 2009
Replies
3
Views
2K
The product rule applied to the equation for work
Apr 19, 2009
Replies
4
Views
2K
Where Does the Work I Do Go? Exploring Friction
Apr 19, 2009
Replies
7
Views
2K
How do sound and gravity interact?
Apr 19, 2009
Replies
6
Views
21K
Calculating Forces on a Paintball through a Paintball Gun Barrel
Apr 18, 2009
Replies
8
Views
6K
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