SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Formula for total mechanical energy
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TME = Ki-Kf+Ugi-Ugf+Usi-Usf+W
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TME = W
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TME = Ki+Kf+Ugi+Ugf+Usi+Usf+W
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TME = Ki-Kf-Ugi-Ugf-Usi-Usf-W
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Explanation:
Detailed explanation-1: -The total mechanical energy is the sum of kinetic and potential energies: E = K + U.
Detailed explanation-2: -The total mechanical energy of a system is the sum of the total kinetic energy and total potential energy.
Detailed explanation-3: -When the force is constant and along the same line as the motion, the work can be calculated by multiplying the force by the distance, W = Fd (letting both F and d have positive or negative signs, according to the coordinate system chosen).
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