Mechanics Forum

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Something I don't understand. [Kinetic & potential energy]
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A decent k value for Newton's law of cooling for water?
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6
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21K
Lagrange-Young equation in Fluid Mechanics
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7
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What is the velocity profile of a truck or tractor pull?
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Collision of undivisible particles
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4
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Understanding the Definition of Average Power in Sinusoidal Functions
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4
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Reference frame in relative motion
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Impulse on a water bag being dropped
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4
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2K
Are Newton's laws also an approximation?
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11
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Understanding Buoyancy: Calculating Pressure and Buoyant Force in Fluids
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7
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Constant Acceleration Downwards
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2
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Why does the wave equation support wave motion?
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4
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Understanding Pulleys, Strings, and Tensions: Common Doubts and Clarifications
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35
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17K
How to measure speed without knowing the distance?
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23
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4K
Force on a massless inextensible string passing around a pulley
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9
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Chemical potential and fixed number of particles
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2
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Doubt in uniform circular motion
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4
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2K
How Do Nuclear Generators Convert Energy to Rocket Acceleration?
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2
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About potential energy and matter-antimatter creation
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9
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2K
Calculate Nip Roller Torque for T1=10 lbs and T2=20 lbs
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1
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Potential difference across an inductor
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4K
Increase moment of inertia, slipping down an incline
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2
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Rearrangement of spring equations not making sense
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2
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1K
Need help figuring out velocity of a venting gas
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6
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4K
Radar as range detector between cars-static sender vs dynamic sender
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6
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Gravitational Potential inside a mass
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4
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2K
Increased mass (inertia) affect on wind drag
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8
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Understanding the Work Needed to Escape a Gravitational Pull
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4
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1K
Increasing Soundwave strength w/o affecting its characteristics?
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6
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Difference between Impulse and Momentum
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7
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36K
What Makes Torque Fundamental in Physics?
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4
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2K
Help With Circular Motion Doubts
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5
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2K
Direction of Friction for Rolling Motion
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7
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Understanding Motor Driven Rollers & Tension Zones
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7
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Calculate pressure of pumped liquid
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12
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3K
What is the relationship between torque and angular momentum?
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6
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5K
Can you speed up Earth's rotation by spinning?
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7
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3K
Roller coasters: would we fall out without restraints?
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2
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4K
Very basic phisics, hydraulics and weights, wrong diagram?
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4
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2K
Momentum and energy in a collision
2
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36
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4K
Understanding Rifling: How Does it Work?
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5
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6K
How can a conductive surface be held at a desired potential?
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4
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1K
Conservation of Mass Principle applied to Refrigerators
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5
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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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12K
Velocity of spring mass system with spring mass
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2
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4K
Why don't objects with greater mass fall faster?
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21
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7K
Does Density Affect Sound Velocity in Condensed Matter?
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5
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Positron Generator: Create Anti-Particles & 100% E=MC2?
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4
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4K
Strength of cylinder as function of internal pressure
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4
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Topology-bornology as a basis of turbulence
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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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2
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How to calculate pressure inside an internal combustion cannon
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2
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4K
Is uniform circular motion perpetual?
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33
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Understanding Energy (kinetic and potential)
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4
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Pressure Cooking: How Does It Get Hotter Than 15 psi?
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4
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What does the slope of a velocity vs time squared graph represent?
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1
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8K
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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2K
Motion of particle dropped onto an elastic band
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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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1K
What would be the limitations on an AC unit that worked like this?
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6
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2K
Can Someone Explain the Calculation of Work Done by Gas Expansion?
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1
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2K
Deriving Hamilton's Equations from Conservation of Energy
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2
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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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Power and Forces: Exploring the Relationship
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4
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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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Position-time equation from force-position equation
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Smaller diameter pressure outlet to increase force?
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5
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4K
What is consumed when an object falls down ?
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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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Kinetic energy loss in a gravitational field.
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27
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Angular acceleration from change in angular velocity and angle
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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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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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Why is my car acceleration not matching the calculated force?
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4
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2K
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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Calculating Moment of Inertia (2D rectangles)
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4
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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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4K
Why does water pressure remain constant when a cube is inserted into it?
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10
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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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7K
How does the Venturi effect work in a Geyser Water Cannon toy?
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5
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3K
How does ultrasound imaging work?
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2
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2K

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