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NEET UG PHYSICS MCQ: WORK-ENERGY-POWER

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Two moving particles collide and stick together on a smooth horizontal surface. The following statements are given below

(a) Mechanical energy is conserved.

(b) Total energy is conserved.

(c) Work done by the system is positive

(d) Work done by the system is negative.

Choose the correct option.

View answer and explanation

Correct option: D

(b) and (d) are correct.

Option D ((b) and (d) are correct) is correct because in an inelastic collision where objects stick together, total energy is conserved, but mechanical energy is not, and the work done by the system is negative.

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