Question

Coolie carrying a load and moving in a frictionless horizontal platform does not work

Answer 1

Answer:

Hey ur answer is:-

in study of physics

Define :-

we learn that the work is said to be done when displacement takes place

reason :-

so I'm this eg of coolie the work is said Not to be done because if coolie is just standing lifting up load no displacement take place so work is not to be done