Question

A coolie is walking on a railway platform with a load of 27 kg on his head ?what is the amount of work done by him?

Answer 1

Amount of work done is zero

Answer 2

$\huge\star\mathfrak\red{{Hey Mate...!!}}$

● The work done will be zero because a coolie carries a load make an angle of 90 degree wherever the 90 degree created the work done will be zero.

Proof:

W = FS Cos Q

W = FS Cos (90°)

W = FS (0)

W = 0