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Relative Motion & Local Frame’s Position - when projecting components
Aug 1, 2021
Replies
6
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2K
I
Calculating Windspeed after Brick Launch from Dumpster Lid
Aug 1, 2021
Replies
2
Views
2K
What is the Definition of the Joule and How Does it Relate to Energy?
Aug 1, 2021
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15
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2K
I
Verse from "A Brief History of Time"
Aug 1, 2021
Replies
22
Views
1K
I
Time derivative of the angular momentum as a cross product
Jul 31, 2021
Replies
3
Views
1K
B
Bug walking around the perimeter of a lazy susan (hypothetical)
Jul 31, 2021
Replies
2
Views
947
B
Work and energy: conceptual doubt
Jul 30, 2021
Replies
2
Views
2K
B
Why would this star move outward?
Jul 29, 2021
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14
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2K
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Counter-rotating mass to counteract inertial spin
Jul 26, 2021
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10
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2K
Mass vs Mass as a Force (Weight)
Jul 25, 2021
5
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202
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12K
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Grip Strength: Comparing Pressure Needed to Hold 20kg Weight Plate
Jul 24, 2021
Replies
3
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2K
B
Confusion while trying to build intuition of centripetal force
Jul 23, 2021
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15
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3K
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How do shockwaves in a 1D linear lattice work?
Jul 22, 2021
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8
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1K
B
What Factors Influence Neutral Buoyancy in Water?
Jul 17, 2021
Replies
38
Views
3K
I
How Does the Book's Formula for Angular Momentum Differ from Mine?
Jul 17, 2021
Replies
2
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1K
I
Newton's Laws with one body inside another
Jul 16, 2021
Replies
5
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1K
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D'Alembert's principle vs Hamilton's principle
Jul 16, 2021
Replies
16
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3K
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Quaternions in Projectile Motion
Jul 16, 2021
Replies
2
Views
1K
B
Understanding Galileo's Theory of Acceleration
Jul 15, 2021
Replies
8
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2K
B
Average Speed vs. Velocity: Explained
Jul 13, 2021
Replies
10
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3K
Why does mass/energy have inertia?
Jul 12, 2021
Replies
22
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3K
I
How to weigh a car topped boat?
Jul 12, 2021
Replies
37
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3K
I
Rotation about two axes and angular momentum
Jul 10, 2021
Replies
3
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2K
B
Vacuum Audio Failure: Solutions & Tips
Jul 6, 2021
Replies
26
Views
2K
I
Why is there no torque along this axis?
Jul 6, 2021
Replies
2
Views
1K
I
How do I add "rotation" vectors (pseudo-vectors?)
Jul 5, 2021
Replies
9
Views
1K
A question about why gyroscopes fall slowly
Jul 5, 2021
Replies
42
Views
5K
B
Predicting types of collisions
Jul 4, 2021
Replies
5
Views
842
A
Derek Muller and UCLA Prof. Alexander Kusenko -- Downwind Physics Wager
Jul 2, 2021
Replies
4
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2K
I
Bicycle physics: Keeping balanced....
Jul 2, 2021
Replies
14
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1K
I
What force is needed to collapse this spring-loaded pair of arms?
Jul 1, 2021
Replies
2
Views
913
I
Motorcycle model and tire force
Jun 29, 2021
Replies
5
Views
2K
Difference in destructive power between a heavy stick and a light stick?
Jun 28, 2021
Replies
12
Views
2K
Whether a non-inertial frame is absolute
Jun 27, 2021
2
Replies
94
Views
6K
The main cause behind viscous drag
Jun 26, 2021
Replies
17
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2K
Calculation of orbital velocity -- Geometrical solution
Jun 24, 2021
Replies
14
Views
2K
Constants in scalar and vector potentials
Jun 21, 2021
Replies
1
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1K
How to Solve Projectile Motion Problems in One or Two Lines
Jun 21, 2021
Replies
1
Views
3K
Max Height and Distance of Projectile: Theory & Simulation
Jun 20, 2021
Replies
6
Views
2K
Rotation: inertial frame vs. body-fixed frame
Jun 20, 2021
Replies
12
Views
4K
Koopman–von Neumann mechanics references
Jun 18, 2021
Replies
5
Views
2K
Question about potential energy: gravity and a vertical spring
Jun 17, 2021
Replies
12
Views
4K
How does gravity convert potential energy to kinetic?
Jun 17, 2021
Replies
2
Views
1K
Calculate scaled down human model weight for practical experiment
Jun 16, 2021
Replies
35
Views
4K
Does the colour of a container affect how fast water in it cools?
Jun 15, 2021
Replies
22
Views
5K
Why is the integrated velocity times change in velocity zero?
Jun 15, 2021
Replies
3
Views
1K
What Happens to the Wavelength of Light as it Passes Through Water?
Jun 12, 2021
Replies
2
Views
1K
Ejection speed and travel distance of a ball in a pressurized water pipe
Jun 11, 2021
Replies
8
Views
2K
Analytical solution for freefall....
Jun 10, 2021
Replies
12
Views
2K
Who Can Solve the Mystery of the True Torque?
Jun 8, 2021
Replies
16
Views
2K
Symmetries in Lagrangian Mechanics
Jun 6, 2021
Replies
5
Views
2K
Time of Impact of Gas Molecules on the Inner Wall of a Pressure Vessel
Jun 5, 2021
Replies
1
Views
1K
Lagrangian mechanics - rotating rod
Jun 5, 2021
Replies
3
Views
2K
Why does a photomultiplier tube produce a negative output pulse?
Jun 4, 2021
Replies
12
Views
2K
Why do things with wheels get more balanced as velocity increases?
Jun 4, 2021
Replies
10
Views
2K
Measure angular velocity and acceleration from missing tooth wheel
Jun 1, 2021
Replies
1
Views
1K
Cooling things in water vs air
May 31, 2021
Replies
3
Views
1K
Hohmann Orbit Transfer: Minimize Delta V for Bigger Orbit
May 31, 2021
Replies
2
Views
934
Can turbulence help measure liquid viscosity more accurately?
May 30, 2021
Replies
8
Views
2K
What type of ball can bounce and travel the most?
May 29, 2021
Replies
5
Views
3K
What Objects Can Survive the Deepest Water?
May 27, 2021
Replies
7
Views
2K
Frame indifference and stress tensor in Newtonian fluids
May 27, 2021
Replies
8
Views
2K
Car top boat loader: What is the lifting weight?
May 27, 2021
Replies
9
Views
2K
Two-body equation of motion resolution
May 27, 2021
Replies
7
Views
2K
Looking for Linear Motor Exercises
May 25, 2021
Replies
1
Views
975
Water Pressure and Different Pipe Sizes
May 24, 2021
Replies
9
Views
2K
Boundary condition: null traction on the boundary of an elastic block
May 24, 2021
Replies
8
Views
1K
Is my weight during the night a little bit more than during the day?
May 23, 2021
2
Replies
57
Views
3K
Milky Way Velocity: How Fast Does Our Galaxy Move?
May 21, 2021
Replies
2
Views
2K
Atmosphere and volume - vacuum cannon limitations
May 21, 2021
Replies
2
Views
2K
Types of Kinematics: Classical, Quantum & Relativistic
May 20, 2021
Replies
1
Views
1K
The order of Euler Angle rotations for a top
May 20, 2021
Replies
7
Views
2K
Newbie Physics Student Asks: Does Vapor to Ice Change Acceleration/Velocity?
May 19, 2021
Replies
6
Views
1K
Position of speaker in front of tube to produce stationary wave
May 17, 2021
Replies
2
Views
1K
Nonlinear spring made from many different linear springs in series?
May 16, 2021
Replies
9
Views
2K
Does anyone know the formula to find the angle after a collision?
May 15, 2021
Replies
6
Views
2K
Projectile Intercept Math & Trigonometry
May 15, 2021
Replies
4
Views
2K
Gravitational potential energy question - normal force on us
May 14, 2021
Replies
12
Views
1K
Looking to find the amount of energy stored in a clock spring
May 13, 2021
Replies
2
Views
3K
Force equation: use mass or weight?
May 12, 2021
Replies
32
Views
4K
Baseball Dad -- setting the speed of a pitching machine
May 12, 2021
Replies
15
Views
3K
Variation of the Speed of Sound in metals under tension
May 10, 2021
Replies
17
Views
3K
"Air Pressure" is not "the weight of the air above you"
May 9, 2021
Replies
27
Views
4K
Time Average Value of Pendulum String Tension
May 9, 2021
Replies
34
Views
3K
Bead sliding on a uniformly rotating wire
May 8, 2021
Replies
37
Views
5K
Does every object rotate around its center of gravity?
May 8, 2021
3
Replies
127
Views
10K
Who Exerts Gravity Power? Force x Velocity Dot Product
May 7, 2021
Replies
19
Views
2K
Finite bending of an elastic block - Equilibrium equations
May 7, 2021
Replies
4
Views
1K
Gravitational potential energy question -- Ojbect sitting on the Earth
May 7, 2021
Replies
3
Views
1K
Extension of an elastic block of Neo-Hookean material
May 6, 2021
Replies
10
Views
1K
Proving Energy Conservation in a Gravitational System with Multiple Bodies
May 6, 2021
Replies
6
Views
2K
Why do we add Kinetic and Potential energy?
May 5, 2021
Replies
3
Views
1K
Orbital mechanics: is ballistic capture possible without acceleration?
May 4, 2021
Replies
7
Views
1K
Accelerometer on a dropped object
May 2, 2021
Replies
13
Views
2K
Equations of motion of damped oscillations due to kinetic friction
May 1, 2021
Replies
6
Views
1K
Problem: Estimating pressure of compressive garment
Apr 30, 2021
Replies
3
Views
1K
Hydrostatic Pressure in Freefalling Water Tank: Comparing Point A and B
Apr 29, 2021
Replies
13
Views
2K
Learning DEs: Solving 2nd Order Differential Equations
Apr 27, 2021
Replies
1
Views
906
Mechanical Advantage of a pulley with horizontal effort
Apr 27, 2021
Replies
15
Views
4K
Question about Plasma Ball (can I leave it running all night?)
Apr 27, 2021
Replies
2
Views
4K
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