A force of acts on a trolley and moves it through a straight-line displacement of in…

PHYSICS · Subjective · CBSE · Physics · Work and Energy · Work and Energy

Problem

A force of

25\,\text{N}

acts on a trolley and moves it through a straight-line displacement of

40\,\text{cm}

in the direction of the force. (i) Calculate the magnitude of the work done in

\text{N}\,\cdot\,\text{cm}

. (ii) Convert the work obtained in part (i) to joules. (iii) Express your final answer in kilojoules.