Question

write an expression for the work done when a force is acting on an object in the direction of its displacement
for class 9th chapter work and energy

Answer 1

gravitational pull.........

Answer 2

Hey there!

Work is defined as scalar product of force and displacement.

The expression for the work done when a force is acting on an object in the direction of its displacement is as follows:

W = F . S

where,

F = magnitude of force

S = displacement

Hope It Helps You!