Physics
Motion, force, and energy formulas for introductory mechanics.
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Mechanics
Mechanics
F = ma
Newton's Second Law
The net force on an object equals its mass times its acceleration.
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s = d / t
Speed Formula
How fast an object is moving โ distance covered per unit of time.
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p = mv
Momentum
The product of an object's mass and velocity โ describes how difficult it is to stop the object.
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P = F / A
Pressure Formula
Force applied per unit area โ the same force spread over a larger area creates less pressure.
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Energy
KE = ยฝmvยฒ
Kinetic Energy
The energy an object possesses due to its motion.
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PE = mgh
Gravitational Potential Energy
The energy stored in an object due to its height above the ground.
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E = mcยฒ
Einstein's Energy Formula
Mass and energy are interchangeable โ a tiny amount of mass corresponds to an enormous amount of energy.
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W = F ร d ร cos(ฮธ)
Work Formula
The energy transferred when a force causes an object to move.
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P = W / t
Power Formula
The rate at which work is done or energy is transferred.
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