Mechanics Forum

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Is Bending the Bar in Powerlifting an Effective Technique?
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1K
Taylor expansion of a scalar potential field
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6
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Doubt on equipotential surfaces
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5
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Roller coaster - uniform circular motion
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19
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Newtonian formulation/proof of Noether's theorem
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10
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Angular momentum in a two dimensional world
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15
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Understanding Accelerating Pulley Systems: Tension, Forces, and Analysis
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5
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Precession, Weight & Conservation of Angular Momentum
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8
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Does the angles of incidence affect speed in glass
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13
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Is it possible for a person in motion to fall over a ledge?
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15
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Rolling Fricition, Kinetic Friction
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6
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1D Elastic Collision in CM frame
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2
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Why is the "escape velocity formula" the "escape velocity"?
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6
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Increase Phase Velocity by Losing Power ?
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3
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1K
Why flow has high velocity when partially closed?
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6
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2K
How do you calculate joules necessary to rotate an object?
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2
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1K
Tensile and compressive forces
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Velocity as a fundamental quantity.
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3
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Positive and negative work in terms of energy.
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Motion under gravity and forces
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Work done by and against a force
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39
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Why Does the PREM Model Predict Increasing Acceleration Towards Earth's Core?
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5
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Liquid-Vapor Equilibrium and Vapor Pressure
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Work done for stationary object
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6
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How do hydrogen and oxygen mix?
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6
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Reversible Work and Irreversibility
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5
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Relation between Tension and net force
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Wake drag of moving/stationary flat plates: Not identical?
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40
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Distributing weight of four legs evenly over surface
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Fastest Terrestrial Sound Conduction Speed
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5
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How to find equipotential surface for given case?
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2
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2K
How Much Higher Can I Jump If I Lose 25lbs?
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14
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Torque and vector position....
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Two balls thrown from bridge one upwards, other downwards?
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21
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Springs and Hooke's Law -- Unequal forces applied to the two ends....
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13
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Atmospheric pressure and weight measurement
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4
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Relativity versus Newtonian gravity
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2
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Thrust of an underpressure tank of air
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10
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2K
Calculating Force of Water Jet Impact in Game Simulations
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36
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8K
Conceptual difference between gravitational and inertial mas
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1
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Symmetry and conservation.... which is first?
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3
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1K
How to calculate centripetal acceleration in non-circular systems?
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1
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I Don't agree with law of conservation of energy
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23
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What Happens to Resultant Forces at Constant Speed and Zero Acceleration?
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23
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6K
And what the difference between waves and pulses?
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2
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4K
Could NMR be applied for other elements besides Hydrogen?
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5
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Momentum or Kinetic Energy to find Acceleration?
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36
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4K
Conservation law for any potential field?
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7
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What would happen if an iron sinks on the ocean? Velocity
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3
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Why does water or balls spill out ?
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7
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The ''apparent'' velocity in an axis fixed to the body
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5
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Why Does the Shape of a Container Not Affect Fluid Pressure Calculations?
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5
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Effect of contamination and solutes on surface tension
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3
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Theoretical work on how momentum is carried or encoded?
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7
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1K
Is this book wrong? Tennis ball rebound speed
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10
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2K
Deceleration time for studded snow tires
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33
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Deceleration rate with studded snow tires
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13
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Understand Sound Wave Propagation in Space
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6
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Does Horsepower or Torque Determine a Vehicle's Acceleration?
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7
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Terminal Velocity of Objects Falling into the Sun
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11
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What is the balloon's air pressure ?
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15
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Simple pendulum in different situations
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8
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Interesting slow motion of paint on vibrating speaker.
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1
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Differences between solenoidal and rotational vector fields?
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1
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7K
Radiowaves and potential harm? Intensity?
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4
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1K
Water level after melting of ice.
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3
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How is Maximum Sustained Speed Calculated for a Car Driving Up an Incline?
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6
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Linear particle accelerator design
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2
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Choosing the Correct Momentum Equation: Newtonian vs Relativistic
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3
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Why is NASA and curiosity still looking for water evidence?
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14
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2K
Why do we feel tired when holding something without any movement?
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4
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Pressure in two Different Sized Plastic Bottles
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2
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What is moments in rotational mechanics?
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1
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912
Pressure calculation for compressible gas and variable 'g'
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6
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How a rotational motion could be in an inertial ref. frame
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5
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Newton's law of viscosity in 3D, used to derive Navier-Stoke
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3
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Question about pressure inside closed flask
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7
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Work done by friction by wheels
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17
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Calculating Angular Momentum: Axis of Rotation Explained
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1
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995
Mind boggling attempt to apply Newton's 3rd law
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4
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2K
Newton's Shell theorem- Gravity inside spherical shell
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3
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Doubt from rotational mechanics
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8
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1K
How does pressure outside of a wall affect the fluid within?
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8
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2K
Doubt from rotational mechanics
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2
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947
Blowing up a balloon using centrifugal force
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17
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Wave Power Potential: Calculating Energy Output
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7
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Is Impulse an Approximation in Trajectory Dynamics?
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4
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Linear Impulse and Momentum Question
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8
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Understanding Rotational Acceleration and the Role of Normal Force
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2
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How to Calculate the Moment of Inertia for a Half Disk System?
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2
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Integrating force with respect to acceleration
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Deriving the Relative Velocity of a Ball Hit by a Massive Object
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15
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Torque of rotating coaxial cylinders with gas between them.
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1
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How Does Siphon Work? Explanation & Principles
2
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55
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Bernoulli's equation not constant?
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5
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Lifting an object through water (force needed)
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17
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Trouble understanding angular momentum in relation to orbits
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10
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Momentum question -- average over time or average over distance?
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14
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2K
Similarity between velocity and momentum
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2
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How does mass of a ball affect percentage of energy loss
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1
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1K

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