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Energy

A body is kep...

Question

A body is kept in rest at some height. Kinetic energy of body is zero.

A

True

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B

False

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Solution

The correct option is A
True

Yes, Kinetic energy of body is zero, since the velocity is zero. Full mechanical energy will be in the form of potential energy when body is in rest at maximum height.

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Similar questions

A body is kept in rest at some height and its kinetic energy is zero.

Q. State whether the following statement is true or false :
The potential energy of a body of mass 1 kg kept at a height of 1 m is 1 J.

Q. State whether true or false :
If a body at rest emits a total energy of E while remaining at rest, then the mass of that body decreases by

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.

State if each of the following statements is true or false. Give reasons for your answer.

(a) In an elastic collision of two bodies, the momentum and energy of each body is conserved.

(b) Total energy of a system is always conserved, no matter what internal and external forces on the body are present.

(c) Work done in the motion of a body over a closed loop is zero for every force in nature.

(d) In an inelastic collision, the final kinetic energy is always less than the initial kinetic energy of the system.

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