Question

If a coolie is carrying a bag on his head and moving on land. In such case according to science work is don e or not? ​

Answer 1

Work is said to be done in such a condition because the coolie is moving with the bag on his head means things(the bag) and the man are not in rest while the land is.

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