Mechanics Forum

Post thread
High School Understanding momentum concept
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Electric Field and Potential in a Conductor: Zero at the Surface?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Question about gravitational acceleration
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How Do Ice-Skating Twins Illustrate Conservation of Momentum?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why does 2T-(M+m)g=(M+m)a not work here?
  • · Replies 5 ·
Replies
5
Views
2K
High School Vectors and moments (Vector diagram, horizontal/vertical components, weight)
  • · Replies 1 ·
Replies
1
Views
13K
Graduate A couple of questions about Multiverse and Q. Mechanics.
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Impulse-momentum theorem and kinetic theory of gases
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Confused regarding conservative and non conservative force
  • · Replies 1 ·
Replies
1
Views
2K
High School Pressure in Liquids and Pascal's Principle?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Mass m suspended by two springs in series
  • · Replies 14 ·
Replies
14
Views
6K
Graduate What is the direction of torque when n is not perpendicular to r?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Angular vs Linear Momentum in Collisions
  • · Replies 5 ·
Replies
5
Views
8K
Graduate Potential of a Quadrupole (Far Away)
  • · Replies 3 ·
Replies
3
Views
7K
Undergrad Educational Display I designed but can't describe how it works
  • · Replies 14 ·
Replies
14
Views
6K
High School What Could Be Causing a Buzzing Sound From My Camping Stove?
  • · Replies 25 ·
Replies
25
Views
5K
Graduate Conserved quantities in mechanics
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Calculation of Torque for Drive Pulley of Roller Conveyor
  • · Replies 5 ·
Replies
5
Views
32K
Undergrad Is it possible to find out the speed of air, given pressure and size of exit
  • · Replies 16 ·
Replies
16
Views
5K
High School Exploding Bombs: Understanding the Deadly Impact and Distance Effects
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Predicting where a roulette wheel will stop
  • · Replies 4 ·
Replies
4
Views
7K
Undergrad Angular acceleration in terms of angular velocity
  • · Replies 3 ·
Replies
3
Views
7K
Undergrad Calculating Bullet Penetration: Momentum vs Coefficient of Friction
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Help with calculating motor requirements
  • · Replies 11 ·
Replies
11
Views
19K
High School Question about law of conservation of mechanical energy
  • · Replies 4 ·
Replies
4
Views
2K
High School What is a Newton Unit? Explained Here
  • · Replies 9 ·
Replies
9
Views
6K
Graduate Non constant acceleration in gravitation field
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad What creates the angular acceleration in a pulley?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Why Don't the planets fall into sun.
  • · Replies 14 ·
Replies
14
Views
67K
Graduate Why do we take convective derivative in fluid dynamics
  • · Replies 14 ·
Replies
14
Views
11K
Undergrad Gravitational field strength of the earth
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Understanding the Problem of F = dp/dt with Sand in a Box
  • · Replies 6 ·
Replies
6
Views
4K
High School What is the relationship between range and initial height in projectile motion?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Velocity equivalent of a given Force
  • · Replies 14 ·
Replies
14
Views
3K
High School Is weight of earth is decreasing?
  • · Replies 10 ·
Replies
10
Views
2K
High School Does Force Acting at an Angle Contribute to Pressure on a Surface?
  • · Replies 12 ·
Replies
12
Views
4K
High School Newton's Law of Motion: Understand F=ma & 1st Law
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Felix Baumgartner and the speed of sound
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Energy to hold an object for a given time
  • · Replies 43 ·
2
Replies
43
Views
20K
Undergrad Can rotational speed increase gas density in a cylinder?
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad Incorporating Inverse Square Law In Gravity
  • · Replies 3 ·
Replies
3
Views
3K
High School Which one has the greater deceleration
  • · Replies 6 ·
Replies
6
Views
3K
High School Why Doesn't Hand Swaying Produce Sound?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad 2 explanations for normal force
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Torque of man on a beam trying to paint his house
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Friction force, and external forces
  • · Replies 7 ·
Replies
7
Views
4K
High School Need a demonstration of constant motion and balanced forces
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Integrating F.dx: Constant μ, m & g Affect Force?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Hard Time Understanding Archimedes' Principle.
  • · Replies 6 ·
Replies
6
Views
3K
High School Impact Speed vs Terminal Velocity
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Winning a skateboard marathon with physics?
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad How Far Does a Stationary Object Move When Struck by a Moving Object?
  • · Replies 5 ·
Replies
5
Views
2K
High School What does the integration of a distance-time graph?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Kinetic energy transfer from large mass to smaller mass
  • · Replies 13 ·
Replies
13
Views
6K
Undergrad What shape ramp for maximum marble jump?
  • · Replies 11 ·
Replies
11
Views
10K
Graduate Angular momentum in Lagrangian Mechanics
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Why Does Angular Momentum Use a Cross Product Instead of a Dot Product?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Potential energy in nuclear energy
  • · Replies 12 ·
Replies
12
Views
8K
Undergrad Pressure Energy Transfer From 1 Tank to Another 1
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Is it possible to solve spring questions with Calculus?
  • · Replies 1 ·
Replies
1
Views
2K
High School A Room with a Window and a Fan; Air Pressure Dynamics
  • · Replies 9 ·
Replies
9
Views
5K
Undergrad Understanding Torque: FAQs and DIY Tips for Measuring and Applying Force
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Displacement from Acceleration data
  • · Replies 1 ·
Replies
1
Views
3K
High School Newton's Laws - Pushing on a heavy object
  • · Replies 2 ·
Replies
2
Views
2K
High School Topic related to Forces and Newton's laws
  • · Replies 1 ·
Replies
1
Views
2K
High School Debating the Best Hunting Pellet: 8gr .177 vs. 14gr .22 - Need Your Math Skills!
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad Understanding the Conservation of Momentum in a Hard Mud Ball Collision
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Parabolic Motion, equation for t
  • · Replies 2 ·
Replies
2
Views
2K
High School Pressure in Object: Conditions & Examples
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Derivations of Harmonic Oscillator Laws
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Determining margin off error within experimental calculations
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Why does eg a falling stone crate many ripples on a water surface?
  • · Replies 5 ·
Replies
5
Views
3K
High School Moment of inertia and rotational kinetic energy
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Distribution of mass and angular momentum
  • · Replies 2 ·
Replies
2
Views
2K
Graduate E-field between two concentric cylinders (not homework)
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Centripetal Force vs Centrifugal Force
  • · Replies 8 ·
Replies
8
Views
9K
Undergrad Force couple supported by line
  • · Replies 6 ·
Replies
6
Views
2K
High School What is the role of speed and acceleration in delivering an effective punch?
  • · Replies 7 ·
Replies
7
Views
11K
Graduate Phase portrait for a conservative negative potential
  • · Replies 2 ·
Replies
2
Views
2K
Graduate I want to build a particle accelerator
  • · Replies 40 ·
2
Replies
40
Views
10K
Undergrad Why Doesn't Earth Stop Turning?
  • · Replies 14 ·
Replies
14
Views
2K
Undergrad What is the difference among moment, torque and couple?
  • · Replies 1 ·
Replies
1
Views
8K
High School Why moving bicycles are balanced?
  • · Replies 1 ·
Replies
1
Views
1K
High School EFFECT OF Air PRESSURE ON WEIGHT
  • · Replies 9 ·
Replies
9
Views
21K
High School What is the best design for an egg drop from gym class bleachers?
  • · Replies 12 ·
Replies
12
Views
10K
Undergrad Speed of falling in atmosphere
  • · Replies 14 ·
Replies
14
Views
3K
High School Can a Spring Ever Do Positive Work?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Calculating the force of a vortex or whirlpool
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Converting joules into a measureable mass (lbs of weight)
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad What do you mean by rigid body?Can anyone tell me why rigid body does not exist?
  • · Replies 31 ·
2
Replies
31
Views
11K
Graduate Conservation of angular momentum
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Power Needed to Maintain Speed on Slope
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Is there maximal value for kinetic energy ?
  • · Replies 1 ·
Replies
1
Views
1K
High School Can a Room Get Warmer Than the Air Being Pumped In?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How does a shock absorber work or should work?
  • · Replies 17 ·
Replies
17
Views
12K
High School Skydiving Balloon: Why Vacuum Isn't Used
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Relative error of radius when derived from diameter
  • · Replies 4 ·
Replies
4
Views
10K
Undergrad What kind of curve would you feel more centrifugal force?
  • · Replies 1 ·
Replies
1
Views
1K
High School Does changing radius or speed affect centripetal acceleration?
  • · Replies 1 ·
Replies
1
Views
9K
Graduate Two atoms and speed of sound ?
  • · Replies 3 ·
Replies
3
Views
2K