Question

Can an objects mechanical energy be equal to its gravitational potential energy? explain.

Answer 1

Yes. Why not?

Mechanical energy can be equal to GPE when KE is zero. For example is the Roller Coaster Ride. At the highest starting point of the ride, the KE is zero and the GPE is the maximum.

At the lowest point, the KE is maximum and the GPE is zero. So it is also possible for mechanical energy to be equal to KE as well when GPE is zero.

Answer 2

Mechanical energy is equal to its gravitational potential energy if kinetic energy is equal to zero.

Kinetic energy refers to an energy possessed by a body when it is in motion.

Potential energy refers to an energy possessed by an object due to its position in relation to other objects.

Mechanical energy is a sum of both kinetic and potential energy.

Mechanical energy be equal to its gravitational potential energy if kinetic energy of an object is equal to zero that is possible if the object is not in motion.

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