When work is done on a body by an external force, its

Only kinetic energy increases

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Only potential energy increases

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Both kinetic and potential energies may increase

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Sum of kinetic and potential energies remains constant

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Solution

The correct option is C
Both kinetic and potential energies may increase

Work done will convert into energies - both Kinetic and Potential

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Similar questions

Q. Assertion :If work done by conservative forces is positive, kinetic energy will increase. Reason: Here potential energy will decrease.

(a) Work is said to be done by a force only when _________

(b) Work done = Force $\times$ _________

(d) The S.I. unit of energy is ______

(e) The potential energy of a body is due to its ______ and kinetic energy of body is due to its ______

(f) Gravitational potential energy U = mass $\times$ force of gravity on unit mass $\times$ _________

(g) Kinetic energy = $\frac{1}{2} \times m a s s \times$ _________

(h) Power P = ______ / time taken.

(i) The S. I. unit of power is ______

(j) 1 H.P. = ______ W

Question 9
A body is falling from a height h, after it has fallen a height $\frac{h}{2}$ , it will possess

(a) only potential energy
(b) only kinetic energy
(c) half potential and half kinetic energy
(d) more kinetic and less potential energy

Q. A body is falling from a height h. At a height h/2, it will possess ____ energy.

Which of the following statements is correct about a freely falling body?

1. Total energy is constant.
2. Potential energy changes into kinetic energy.
3. Potential energy decreases.
4. Kinetic energy increases.

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When work is done on a body by an external force, its

The correct option is C Both kinetic and potential energies may increase Work done will convert into energies - both Kinetic and Potential

The correct option is C
Both kinetic and potential energies may increase

Work done will convert into energies - both Kinetic and Potential