Question

Find out whether the workdone is zero, positive or negative
for the following cases:
(i)
A goal keeper catches the football and saves the goal.
A vegetable vendor pushing the cart.
(iii)
A coolie walks on a horizontal ground while carrying a load
on his head.
Pls reply Faast​

Answer 1

Answer:

Positive

Positive

Positive

Answer 2

Positive positive zero