Mechanics Forum

Post thread
High School Trouble Understanding KE=1/2MV^2? Get Real-World Examples
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad What is a damping. Text books say damping is proportional to velocity.
  • · Replies 10 ·
Replies
10
Views
10K
Undergrad Relation between energy spend and force
  • · Replies 4 ·
Replies
4
Views
8K
Undergrad Siphon acceleration or equilibrium?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Intermediate Dynamics Books for Lagrange, Hamilton & Canonical Transformations
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How could the universe be speeding up?
  • · Replies 10 ·
Replies
10
Views
5K
High School Create Whirlpool in 55 Gallon Barrel?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Why do lifter's have to be assymetrical?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Help Needed: Modeling Beam Bending with Electrostatic Forces
  • · Replies 9 ·
Replies
9
Views
3K
High School Energy is the capacity to do work
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad Does Distance from Center Affect Acceleration in a Spinning Disk?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the cohesive force of water between two lexan plates?
  • · Replies 19 ·
Replies
19
Views
5K
Graduate Shaping a String: What Happens When It's Released?
  • · Replies 17 ·
Replies
17
Views
4K
Undergrad Why Do Spring Constants Change in Series and Parallel Combinations?
  • · Replies 1 ·
Replies
1
Views
7K
Graduate At What Speed Do Flat Propellors Mimic a Solid Circular Mass?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Measuring Surface Tension of Liquid | Methods & Units
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Is hydrogen energy truly sustainable or just a deceptive hoax?
  • · Replies 34 ·
2
Replies
34
Views
4K
High School Finding Displacement of Glass Block
  • · Replies 3 ·
Replies
3
Views
2K
High School Side of tide due to moon and sun's gravitational pull
  • · Replies 10 ·
Replies
10
Views
6K
Undergrad What is the optimal angle for shooting a cannon?
  • · Replies 10 ·
Replies
10
Views
14K
Undergrad Combatting lazy uk police with physics formulae
  • · Replies 25 ·
Replies
25
Views
4K
Undergrad Understanding Tidal Forces and Their Proportionalities
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Procrastination of my reserch projec
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Can James Bond realistically catch a falling plane on a motorcycle in Goldeneye?
  • · Replies 26 ·
Replies
26
Views
18K
High School What is the initial velocity formula for a potato cannon?
  • · Replies 3 ·
Replies
3
Views
158K
Undergrad Center of gravity in a non uniform gravitational field
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Question about pressure explosions
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad History of Newtonian Mechanics?
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Why Do Objects Fall at the Same Rate Regardless of Mass?
  • · Replies 15 ·
Replies
15
Views
3K
High School Net force zero = velocity > zero ?
  • · Replies 12 ·
Replies
12
Views
24K
Undergrad Solving the Gravitation Doubt: What Happens When Force Disappears?
  • · Replies 14 ·
Replies
14
Views
3K
High School Why doesn't the moon fall to Earth?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Thermodynamical potentials: some hand-waving please
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Air flow between two different pressures
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Which bits of the spring metal stretch and in what directions?
  • · Replies 6 ·
Replies
6
Views
3K
High School How can a ball falling from a height be simulated without air friction?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate The Mechanism of Falling Object: no gravity
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Gyroscopes as navigational devices
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Torque: Understanding the Complexity Behind the Physics
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How Does Non-Linear FEA Work After Applying a Force?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Newton´s derivation of Gravity´s law
  • · Replies 3 ·
Replies
3
Views
10K
Graduate Is it possible to create a region of negative density that is less than vacuum?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Rod and we pull one end of it with a 10N force
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Measuring surface tension / bouncing water droplets
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Pressure in Closed System of Pipes with Moving Water
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Resonance and natural oscillations
  • · Replies 5 ·
Replies
5
Views
9K
High School Two questions i had a long time ago
  • · Replies 13 ·
Replies
13
Views
3K
High School Need Help with Bonus Physics Project on Yo-Yo
  • · Replies 1 ·
Replies
1
Views
5K
High School Does Paper Bend in Space with a Constant Force Applied?
  • · Replies 27 ·
Replies
27
Views
5K
High School Different mass, different speed?
  • · Replies 6 ·
Replies
6
Views
3K
High School EASY Question from Physics Beginner
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Method of Joints: Struggling to Understand?
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Interesting, water wont spash in a vaccum
  • · Replies 17 ·
Replies
17
Views
15K
Graduate Working out energy change during change of moment of inertia
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Time taken for a parachute to fall
  • · Replies 4 ·
Replies
4
Views
8K
Undergrad How Is Gun Recoil Force Calculated?
  • · Replies 4 ·
Replies
4
Views
10K
Undergrad Reason of hot water 'float' on the cold water
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Water doesn't splash in vacuum
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Gun Recoil: Does Mass Increase Affect Shooter Experience?
  • · Replies 13 ·
Replies
13
Views
9K
Undergrad Acceleration due to gravity field
  • · Replies 9 ·
Replies
9
Views
7K
Graduate Classical Mechanics WITHOUT determinism?
  • · Replies 1 ·
Replies
1
Views
3K
High School Shock absorbers that only resist motion in one direction?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Generator Cores: Magnets vs Coils
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad What Are the Velocity and Net Force of Syphons in Fluid Dynamics?
  • · Replies 2 ·
Replies
2
Views
2K
High School Ideas for launching projectile rocket
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Normal modes and degree of liberty
  • · Replies 14 ·
Replies
14
Views
3K
High School Building a Water Rocket: What Affects Launch Height?
  • · Replies 6 ·
Replies
6
Views
6K
I had a beach ball and i deflated it as much as i could. theni tried
  • · Replies 2 ·
Replies
2
Views
2K
High School What the heck is inertia anyway?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate What is Euler's Momentum Theory and how does it relate to tornado dynamics?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Does Walking Uphill Burn More Calories Than a Flat Walk?
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Why Do Gyroscopes *Start* Precessing?
  • · Replies 23 ·
Replies
23
Views
7K
Undergrad Circular Motion: Friction, Centripetal Force & Polygons
  • · Replies 6 ·
Replies
6
Views
3K
High School Understanding Acceleration and Velocity in Relation to Gravitational Force
  • · Replies 4 ·
Replies
4
Views
4K
Graduate No Hydrogen Formation: Conditions for a Radiation-Only Universe
  • · Replies 7 ·
Replies
7
Views
2K
High School How does the powerball utilize wrist movements to spin and build muscle?
  • · Replies 4 ·
Replies
4
Views
26K
Graduate Perpetum movil that will last as long as earth rotation
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad How to Maximize Precession with a Bicycle Wheel and Spinning Chair?
  • · Replies 10 ·
Replies
10
Views
4K
High School Report on Damped Oscillation: Amplitude, Applications, Comparisons
  • · Replies 2 ·
Replies
2
Views
12K
Undergrad Mohr circle of inertia-product of inertia
  • · Replies 1 ·
Replies
1
Views
10K
Graduate Developing a rubbery serpentine wall as a highway median barrier
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculating Drag Force and Spin for a Ping Pong Ball Launcher
  • · Replies 1 ·
Replies
1
Views
6K
Graduate Derivation of the potential of a sphere
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Finding velocity/time graph for a car?
  • · Replies 10 ·
Replies
10
Views
7K
Undergrad Internal forces and centre of mass
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Potential Energy Explained: Does It Contradict Conservation of Mass/Energy?
  • · Replies 107 ·
4
Replies
107
Views
12K
Undergrad Can a House Survive a 747 Engine Falling From 35,000 Feet?
  • · Replies 20 ·
Replies
20
Views
4K
Undergrad Fan cfm output: reliant on speed or torque?
  • · Replies 10 ·
Replies
10
Views
14K
Undergrad Buckling Calculation for I-Section Joists w/ Ball-Jointed Ends
  • · Replies 7 ·
Replies
7
Views
9K
Graduate Acceleration in a rotating frame
  • · Replies 4 ·
Replies
4
Views
3K
High School Producing Water Without a Supply - Solutions & Tips
  • · Replies 11 ·
Replies
11
Views
2K
High School What Are the Key Physics Concepts in Cycling?
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Understanding Rotational Fields: The Meaning of "Curl"
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Are Compound Shafts the Key to Efficient Power Transmission?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad ABS Question (different, please look)
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Internal Forces in Coaxial Bars of Different Materials
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Measuring Rotational Speed and Energy Conservation of a Disc
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Centre of gravity and dynamics
  • · Replies 3 ·
Replies
3
Views
2K
High School Build a Self-Contained Wheeled Device for Physics Project: Tips and Ideas
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Coursework Help: Electrical Resistance of Brick Changes with Temperature
  • · Replies 7 ·
Replies
7
Views
3K