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Understanding Motor Driven Rollers & Tension Zones
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Calculate pressure of pumped liquid
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12
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What is the relationship between torque and angular momentum?
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6
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Can you speed up Earth's rotation by spinning?
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Roller coasters: would we fall out without restraints?
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2
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Very basic phisics, hydraulics and weights, wrong diagram?
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4
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Momentum and energy in a collision
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36
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Understanding Rifling: How Does it Work?
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5
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Conservation of Mass Principle applied to Refrigerators
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Derivation of Newton's Law of Universal Gravitation
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17
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Why does the Lagrangian have negative potential energy?
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15
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Velocity of spring mass system with spring mass
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2
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Why don't objects with greater mass fall faster?
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21
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Does Density Affect Sound Velocity in Condensed Matter?
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5
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Gravitational Potential inside a mass
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3
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Strength of cylinder as function of internal pressure
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Basic question regarding gravitational acceleration
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1
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Rationale for Conservation of Energy
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How to calculate pressure inside an internal combustion cannon
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Is uniform circular motion perpetual?
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33
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What does the slope of a velocity vs time squared graph represent?
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Confusion regarding the concept of acceleration along a component
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5
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Looking for a clear distinction between laws and kinematics
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4
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Weight/Strength of aluminum versus plastics
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4
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Realistic acceleration (in g's) check?
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1
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What would be the limitations on an AC unit that worked like this?
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6
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Can Someone Explain the Calculation of Work Done by Gas Expansion?
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1
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Deriving Hamilton's Equations from Conservation of Energy
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2
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How can a conductive surface be held at a desired potential?
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3
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Kinematics displacement question
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2
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Kinetic Inductance: Combining Self-Inductance & Kinetic
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2
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Is Weight Training More Efficient Than Running for Burning Calories?
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10
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Hooke's Law of a spring with a mass
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7
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Positron Generator: Create Anti-Particles & 100% E=MC2?
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3
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Position-time equation from force-position equation
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9
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Smaller diameter pressure outlet to increase force?
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5
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What is consumed when an object falls down ?
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41
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When you drop a ball from above, why doesn't it drill through earth?
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49
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How exactly is tension exerted?
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16
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Projectile Motion: Formula for range for a given angle
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7
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Understanding the Increase in Rotation Speed of a Coin on a Table
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2
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Understanding Energy (kinetic and potential)
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3
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Kinetic energy loss in a gravitational field.
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27
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Pressure Cooking: How Does It Get Hotter Than 15 psi?
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3
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Angular acceleration from change in angular velocity and angle
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8
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What is Space, Is it Transparent, Does it Weight Anything?
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6
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Why does work equal change in kinetic energy?
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2
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Motion of particle dropped onto an elastic band
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3
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Phase-plane dynamics of an atomic force microscope cantilever.
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2
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Normal force on a car rounding a banked curve
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2
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Pulley system with one mass and apparently independent forces?
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1
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Rolling objects inclined plane?
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1
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Condition of the work energy theorem
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1
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Sound Power Reduction When Halving Air Flow Velocity and Doubling Grill Area
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1
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Permittivity and Permeability affect propagation velocity?
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4
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Why does water pressure remain constant when a cube is inserted into it?
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10
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What Does F Represent in the Power and Forces Equation?
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3
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Gravitational Vortex Power plant
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7
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Cavitation at/in Fast Water Stream
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20
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Optimizing Steel Cable Strength for Stopping a 17,000 lb Vehicle at 10mph
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5
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Falling object in gravitation field
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10
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Large Scale Generators: Earth's Orbit & Electric Currents
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1
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How does Foucault's pendulum show the earth's rotation?
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13
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How does the Venturi effect work in a Geyser Water Cannon toy?
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5
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How does ultrasound imaging work?
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2
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Potential of a dipole with actual physical extension?
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1
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Centrifugal Force on a stone tied to a thread
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35
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Free fall trajectory in non constant gravitational field
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8
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Verifying the Relationship Between Force and Displacement in a Spring Experiment
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4
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Is max sound intensity at the displacement node in a standing wave?
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1
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6K
What causes musical instruments to have different sounds?
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6
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Raoult's law and pressure changes
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27
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Why is work done by the system a negative quantity?
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5
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31K
Not able to understand weight on the surface of earth
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5
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Mechanics - How to predict the motion after two objects collide in 2D?
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4
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Error analysis/mechanics help appreciated
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1
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I don't understand how torque works
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10
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Melting/freezing point depression of water vs. other liquids
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1
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What factors determine the potential difference in a battery cell?
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1
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Does absolute space explain the inertial and non inertial forces?
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1
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Why is my car acceleration not matching the calculated force?
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3
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Momentum, force, energy and impact to break something.
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6
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12K
Calculating Moment of Inertia (2D rectangles)
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3
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System Dynamics: A Qualitative Understanding
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1
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Question w/ chemical potential, equivalence to Energy or Potential?
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2
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Why does the speed of the water wave decreases as depth decreases?
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5
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Boiling Water Bubbles: Proportional Rate & Instantaneous Stop Explained
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6
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Design experiment to determine bending strength and torsion of ruler
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1
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What determines the maximum acceleration of a ball in empty space?
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12
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How can I accurately calculate the moment of inertia for random 3D shapes?
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How can we prove the work done by gas expansion in any deformable container?
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1
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Bohr Model: Energy Jump in Hydrogen Atom
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9
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Wind-drag on sock and carpet , which one flies the furthest?
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1
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Fluid mechanics, source-sink question
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2
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Help with derivation of torque equation T = p x E
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5
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6K
Is this a correct derivation of Moment of Inertia?
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1
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2K
How does water exerts pressure on any object that is immersed in it?
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20
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Exploring Motion in One Dimension: Understanding Ascent and Descent Times
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5
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Why does a bicycle rolling down a hill stay upright?
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6
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Simulating opposing rotational forces at different points on structure
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6
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