Mechanics Forum

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Bicycle gears, energy, work and power?
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2
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4K
Why do rotating pulleys have different tensions on either side?
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1
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6K
How much force would you need to escape earth's gravity by JUMPING?
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15
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16K
If a wheel is rolling without slipping
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14
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Solving Multi-Spring System for Node4
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9
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The Importance of Escape Velocity and Its Role in Space Exploration
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3K
Understanding the Net Work Energy Concept: Defining F in Work Equations"
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Calculating Whip Speed: The Science Behind It [SOLVED]
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8K
How long to freeze standing water in steel pipe
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3
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13K
What is the terminal velocity of a ping pong ball?
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23K
Compressed air at high pressure can cause frostbite?
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6K
Inertial Frame of Reference: Is it an Ideal Concept?
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4
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Terminal velocity with an initial velocity?
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6
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6K
Pendulum Experiment - Finding relationship between period and length
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4
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45K
Household liquids with low surface tension?
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1
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Highest frequency before mechanical failure
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5
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Relationship between speed of sound and density
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1
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18K
General Rule for Spring Compression?
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1
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5K
Cardboard Boat: Calculating Buoyant Forces
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3
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34K
Motion cannot be created or destroyed
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17
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Solving the Mystery of Car Fog - Explaining the Science
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3K
Why does water boil faster in a kettle then on the stove?
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1
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8K
Swinging pendulum that swings forever?
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15
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32K
How Does MIRIAH Satellite Technology Function?
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1
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2K
Modeling Rolling Ball in x-y Plane
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8
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5K
What Is Sound? - Understood at Atomic Level
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2
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2K
Can Nanoscale Vibrations Affect Particle Positioning?
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5
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2K
Physical meaning of momentum equation
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1
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11K
How do solar sails defy the laws of physics?
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4
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3K
Poynting vector power flow question
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6
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8K
Is There Power Involved in Holding a Weight at Rest?
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1
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2K
Conservation of Energy, Matter & Space
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21
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7K
Can someone explain mass energy conservation?
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5
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2K
Calculate Force Constant for Safe Bungee Jumping: F=700N, x=9m, k=77.77 N/m
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1
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2K
Why Are Catgut Strings on Musical Instruments Wrapped With Wire?
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2
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5K
Tension in string when force is applied to both ends
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3
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4K
Trajectory of a bullet with drag
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8
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4K
Real world Aircraft landing deceleration problem
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1
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6K
Effect of pressure on hydrogen spectrum
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1
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2K
Is Acceleration Constant on an Inclined Plane?
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7
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3K
How Does Ruler Length Affect Spring Constant and Oscillation Frequency?
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3
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4K
Newons laws on calculating force upon impact.
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4
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6K
Sliding friction, position/velocity as a function of time?
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1
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4K
The principle of reversible Kater's pendulum and why its rod's ends are pointed
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4
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17K
What is the relationship between sliding and rolling motion of a ball?
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2
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6K
Calculating Torque on a Turbine
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1
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3K
Rolling Without Slipping question
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9
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9K
Is rolling resistance related to relative motion at the point of contact?
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4
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2K
Linear and angular acceleration.
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9
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16K
Calculating Rope Strain for 90' Tree Cut
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12
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5K
How does air resistance change with acceleration?
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5
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5K
Ball Drop Impact test - equations?
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5
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26K
Can you explain the basics of Newton's law?
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7
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2K
Impact area of a steel ball on a surface
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2
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3K
Driving a Car on a Straight Road: Analyzing Forces
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6
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3K
Angular Acceleration and Gravity
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1
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Transverse waves mechanics in a rope
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1
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Motion equation of moving particle
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2
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Circular accelerators vs Linear Accelerators
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5
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11K
Xkcd (angular momentum problem)
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1
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4K
Inverted Pendulum: Relate Force to Angle/Displacement?
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1
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3K
Sailing Upwind. What are the theoretical or practical speed limits?
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13
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8K
Relationship between gravity/kinetic energy
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1
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13K
Simple Finding Spring Constant
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8
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5K
Transverse mechanical waves - fundamentals
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11
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4K
How can I calculate wheel thrust for a given acceleration and time?
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8
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4K
Are parabolic trajectories really accurate for objects in motion?
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6
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6K
Sliding Friction between two Plates as a function of surface roughess
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1
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5K
Interesting mechanics questions
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2
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3K
What is the mathematical representation of pressure and amplitude in a 1D wave?
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1
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2K
Climbing a Pulley: Conservation of Momentum & Energy?
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8
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5K
How does rotation influence the motion of objects like a thrown pen?
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3
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5K
Angular momentum conservation and energy considerations
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38
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18K
Why does drop time remain constant regardless of initial horizontal velocity?
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5
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16K
Impact Force after falling of a chair
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2
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Ball rolling down an incline between 2 rails
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2
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Rolling Ball on Horiz. Plane: Friction, Torque & Angular Vel.
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1
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Do we weight less during high tide?
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4
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12K
Cars & Torque: Flywheel to Drive Shaft
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3
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Why phase velocity and group velocity is not the same?
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10
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11K
Motorcycle vs Bicycle chain tension
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4K
Understanding Car Suspension Forces: Modeling & Calculations
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6
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Why Does Centripetal Force Keep Objects at a Constant Distance from the Pivot?
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5
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3K
Maximum velocity on a banking curve formula
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3
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Is a Rigid Body Always Concentrated at its Center of Mass in Circular Motion?
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2
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Thick cylinder under internal pressure
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Finding velocity from change in potential
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3
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Charging a car battery with dry cells?
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9
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11K
Surface Tension at Critical Temperature: Contact Angle?
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2
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2K
Moment Of Inertia Of Sphere At A Distance
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Differential motion of smoke particles?
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3
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2K
Gravity and Terminal Velocity: Understanding the Relationship
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2
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4K
Understanding the Selective Protection of High Frequencies by Ear Protectors
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7
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2K
How does friction affect a car's ability to turn at high speeds?
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3
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5K
Acceleration Time if Thrust is Variable (polynomial)?
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16
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4K
Speeding up before a Hill to Save Gas
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14
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4K
Formula for gravity/circular motion in terms of V? (i think )
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5
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5K
Vortex tubes, how do they work?
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19
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8K
Elastic collision/ projectile motion
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1
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3K
Into what kind of energy does the potential energy transforms in this example
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3
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2K

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