Mechanics Forum

Post thread
Undergrad Plotting trajectories (on a computer)
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Moment of inertia: off-central diameter
  • · Replies 4 ·
Replies
4
Views
5K
Graduate Trying to find the Tensile Pressure in a Rotating Disk
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can a BLDC Motor Provide Enough Torque for Rolling Resistance?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Derive V2=u2+2as: Help Solving Annoying Problem
  • · Replies 13 ·
Replies
13
Views
104K
Graduate Origin of gyroscopic precession
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Angular momentum of earth from Lagrangian, am I correct?
  • · Replies 2 ·
Replies
2
Views
2K
High School Auto Acceleration Problem: 40 m/s to 8 m/s in 200 m
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad How Does Momentum Affect the Motion of a Boat When People Jump Onboard?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate What is the Physics Behind Forced Non-Centroidal Rotation in Engineering?
  • · Replies 6 ·
Replies
6
Views
8K
Undergrad Why does a system expand when doing work?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How to simulate pressure in an ideal gas simulation
  • · Replies 3 ·
Replies
3
Views
3K
High School Cause and Effect of sounds Why?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Does there need to be a difference in pressure for a fluid to accelerate?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Motion along a three-dimensional plane
  • · Replies 1 ·
Replies
1
Views
2K
High School What is the relationship between velocity and acceleration?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Formula for relation between pressure and volume for GAS
  • · Replies 5 ·
Replies
5
Views
3K
High School Looking for answers about my cartesian diver
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Answer confirmation-not an assignment question.
  • · Replies 3 ·
Replies
3
Views
1K
High School Working with Springs: What Happens When Mass m1 is Pushed?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Does adding an extra bolt distribute seat belt forces evenly?
  • · Replies 4 ·
Replies
4
Views
8K
Graduate Damped oscillator- graphical interpretation
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Which coordinate is cyclic in this case
  • · Replies 6 ·
Replies
6
Views
2K
High School A formula for calculating wind speeds?
  • · Replies 5 ·
Replies
5
Views
22K
Undergrad What does the phase angle phi mean in the harmonic oscillation function?
  • · Replies 8 ·
Replies
8
Views
22K
High School Do communicating vessels work when water is moving?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Need some help on air pressure through a manifold and optimal leak/pressure rate
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Horizontal or vertical strips when solving c.o.m. of functions problems?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why does a rock shatter a glass, but a bullet pass through.
  • · Replies 25 ·
Replies
25
Views
33K
Undergrad Uniform Circular Motion of Swinging Objects
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Understanding Simple Harmonic Motion: The Role of Frequency in Wave Equations
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Why would Newton's 2nd law be meaningless here?
  • · Replies 2 ·
Replies
2
Views
2K
High School Question about the Archimedes principle and gravity.
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Gravitational potential energy near the earth
  • · Replies 17 ·
Replies
17
Views
3K
Undergrad Dynamic Soaring of Air masses Video
  • · Replies 23 ·
Replies
23
Views
6K
Undergrad Finding Center of Mass of Nonuniform Rod: Integrating Over dm
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why is shear stress highest at the wall of a vessel?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Centripetal acceleration question: car moving around banked curve
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Wing loading. more complex than weight/area?
  • · Replies 4 ·
Replies
4
Views
3K
High School Why Delta PE is Negative Work: Understanding the Relationship and Derivation
  • · Replies 6 ·
Replies
6
Views
8K
Is it possible to obtain water that has been absorbed in a desiccant?
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Derivations for Continuity equation of Fluid & Euler's Equation of Fluid Motion
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad The Method of Joints (support reactions)
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Uniform Gravity: Fact or Fiction?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Does Buoyancy Behave in a Floating Water Sphere on the ISS?
  • · Replies 26 ·
Replies
26
Views
7K
High School Practical question re sound waves
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Taylor series expansion for gravitational potential energy. GMm/r=mgh near the earth
  • · Replies 8 ·
Replies
8
Views
15K
Undergrad The reason why objects fall at the same speed on the moon, with detail:
  • · Replies 11 ·
Replies
11
Views
7K
My New Compass Won't Point North - What's Wrong?
  • · Replies 7 ·
Replies
7
Views
12K
High School Can decreasing acceleration be negative acceleration ?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Flow Velocity- Guranteed to be Laminar
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Calculating Torque with Pressure in Blue Volume
  • · Replies 17 ·
Replies
17
Views
2K
Undergrad Relation between phase velocity and group velocity
  • · Replies 6 ·
Replies
6
Views
10K
High School Why is Acceleration Non-Zero at Maximum Height?
  • · Replies 5 ·
Replies
5
Views
7K
Graduate Pressure changes within a refrigeration cycle
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Can Velocity be Determined from Force as a Function of Angle in Mechanics?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Perpendicular Forces and Changes in Momentum
  • · Replies 9 ·
Replies
9
Views
11K
Undergrad Period for harmonic motion (horizontal)
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Lagrangians giving the same equations of motion
  • · Replies 4 ·
Replies
4
Views
3K
High School Water Displacement: Floating vs Submerged Objects
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Air compression via acceleration?
  • · Replies 11 ·
Replies
11
Views
4K
Undergrad Water column displacement physics?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Is it better to accelerate into a head on collision?
  • · Replies 2 ·
Replies
2
Views
18K
Undergrad Acceleration in Gravitational Field
  • · Replies 5 ·
Replies
5
Views
2K
High School Does everything have potential energy?
  • · Replies 5 ·
Replies
5
Views
13K
Undergrad Law of conservation of momentum problem
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Potential vs. Potential energy
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad How fundamental is the Law of the Lever?
  • · Replies 7 ·
Replies
7
Views
4K
High School Does a centrifuge weigh more when it's spinning?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Understanding Resonance in Mass-Spring Systems: A Visual Approach
  • · Replies 2 ·
Replies
2
Views
2K
High School Potential energy, Is energy a constant scalar value?
  • · Replies 3 ·
Replies
3
Views
2K
High School Is the force of gravity constantly increassing?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Understanding Keplerian Orbits: Equations and Time Dependence
  • · Replies 2 ·
Replies
2
Views
2K
High School Use an Induction Cooktop at different power supply's frequencies?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Calculating Potential Vorticity of a Parcel of Air
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Will Smart Car Protect you in a High-Speed Accident?
  • · Replies 12 ·
Replies
12
Views
5K
High School Understanding Gravity and Arrow Velocity: A Simple Explanation
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What causes the change in velocity from pole to equator on Earth?
  • · Replies 3 ·
Replies
3
Views
8K
Undergrad Riding a Bike on an Incline Treadmill
  • · Replies 9 ·
Replies
9
Views
5K
High School Floating/Rotation above computer fan
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad Understanding the Difference Between Energy and Power in Flywheel Calculations
  • · Replies 8 ·
Replies
8
Views
7K
High School Build a Home-Made Generator: Get Answers Here
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Motion of a particle in a verticle ring.
  • · Replies 4 ·
Replies
4
Views
1K
High School Direction of tangential acceleration
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is There a Mistake in Goldstein's Mechanics on Cos Theta Definition?
  • · Replies 3 ·
Replies
3
Views
3K
High School List of all 2d motion and projectile equations?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Can you clearly explain osmotic pressure for me?
  • · Replies 4 ·
Replies
4
Views
9K
Graduate Designing pressure vessels that split.
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Friction and Relation of Coefficient of Friction to Smoothness
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Torque without pivot (Torque with only one force)
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Finding plane distance from ground, with only a sound recorder and a stopwatch
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Understanding Forces in Coupled Oscillating Systems
  • · Replies 6 ·
Replies
6
Views
2K
High School Intuition for forces & torques
  • · Replies 7 ·
Replies
7
Views
2K
High School Understanding Pressure and Force in Hydraulic Systems
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Relationship of Gradients to Work, PE and KE
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why is p=fv different than calculatingit manually
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why is mg often ignored in equations of motion for vertical springs?
  • · Replies 9 ·
Replies
9
Views
3K
High School Why does a ball rebounds more over the edges?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Conservation of angular momentum derivation
  • · Replies 12 ·
Replies
12
Views
9K
Undergrad Inertial Mass vs. Gravitational Mass
  • · Replies 2 ·
Replies
2
Views
3K