Question

A coolie with load on his head is walking on a horizontal platform . what is work done against gravity?

Answer 1

Answer:

the Coolie does not work according to science

Explanation:

because to find the work done academic doing brother Khuli at 90 degree angle and the formulas and according to the formula of work done cos 90 value of cos 90

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