Conservation of Momentum + Work Energy
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8 Terms
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The Law of Conservation of Momentum
The total momentum remains constant if no external forces act on it
m1u1 + m2u2 = m1v1 + m2v2
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Work
Force x displacement (W = F x s)
The SI unit is the Joule(J)
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Energy
The ability to do work
The SI unit is the Joule (J)
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Conservation of Energy
Energy cannot be created nor destroyed but may be changed from one form to another
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Kinetic Energy
Energy of an object due to its motion. (1/2mv²)
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Potential Energy
Energy an object has due to its position, shape or state.(mgh)
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Power
The rate at which work is done (W/t)
SI unit is the Watt (W)
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Energy Efficiency
