A rubber ball that sits motionless near the edge of a tall bookshelf has no kinetic energy. However, it does have mechanical
energy. Explain why this is possible,

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onyebuchinnaji onyebuchinnaji · Answer 1 · 2022-02-18T11:15:16+01:00

It is possible because the rubber ball has mechanical energy which is equal to potential energy.

Mechanical energy of an object is the total energy possessed by the object, including the potential energy and the kinetic energy.

M.A = K.E + P.E

Kinetic energy is the energy possessed by an object due to its motion.

Potential energy is the energy possessed by an object due to its position.

When kinetic energy (K.E) = 0

M.A = P.E

Thus, it is possible because the rubber ball has mechanical energy which is equal to potential energy.

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