Question

In which case bodies become hot due to mechanical energy losses
(i) Rub our hand for sometime
(ii) two vehicles collied with each other
(iii) Aeroplane crases
(iv)Sliding of legs on roof surface
(v) Transfer on energy from hot body to cold body

• A. $5$
• B. $4$
• C. $3$
• D. $2$

Answer 1

The correct option is D $2$

The two vehicles collide with each other, then bodies become hot due to mechanical energy losses.

The correct option is D.