PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy
Problem
In which of the following, the work done by the mentioned force is negative? The work done by
(1) the tension in the cable while the lift is ascending
(2) the gravitational force when a body slides down an inclined plane
(3) the applied force to maintain uniform motion of a block on a rough horizontal surface
(4) the gravitational force when a body is thrown up