Question

The sum of kinetic energy and the potential energy is always constant provided ? motion.
A. There is greater force of friction involved during
B. Body is in simple harmonic
C. There is less force of friction involved during
D. No force of friction involved during

Right answer is B.

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Answer 1

Answer:

The principle of the conservation of mechanical energy states that the total mechanical energy in a system (i.e., the sum of the potential plus kinetic energies) remains constant as long as the only forces acting are conservative forces.

Explanation:

Answer 2

Answer:

B. Body is in simple harmonic