Question

What is necessary for work to be done ? Choose the correct statement. (1) Action of force is necessary. (2) Displacement is necessary. (3) Displacement in the direction of force is necessary. (A) Statement-I (B) Statement-2 (C) Statement-3 (D) Statement 1 and 2

GSEB - Class 9 Chapter - 1. Work, Energy and Power Page 9

Answer 1

obviously displacement in the direction of force is necessary for the work to be done cause when displacement is 0 the work done will also be 0.