Question
Underline the correct alternative:
(b) Work done by a body against friction always results in a loss of its kinetic/potential energy.
Solution
Kinetic energy
The work done against the direction of friction reduces the velocity of a body. Hence, the body loses an amount of Kinetic energy.
The work done against the direction of friction reduces the velocity of a body. Hence, the body loses an amount of Kinetic energy.
