Question

work done can be positive, negative, zero true or false

Answer 1

yes... it's true

➡️positive when force and displacement are in same direction

➡️negative when they are in opposite direction

➡️zero when they are perpendicular to each other or displacement is zero

hope it helps !! ✌️❤️

Answer 2

Firstly happy friendship day

Work done can be zero when no displacement occurs .


Work done can be negative when the displacement is occurs opposite to the direction
of displacement. .

Work done can be positive when the displacement occur in the same direction of displacement