Physics
Related Questions
Match the following:
Column A Column B (a) A stone at a height (i) power (b) A moving ball (ii) joule (c) Energy (iii) work done in 1 sec (d) Power (iv) potential energy (e) watt (v) kinetic energy Define work.
State two conditions when no work is done by a force.
In which of the following cases is work being done:
(a) A boy pushing a heavy rock
(b) A boy climbing up the stairs
(c) A coolie standing with a box on his head
(d) A girl moving on the road.