Question

If a coolie carrying a load on his head is
moving on a horizontal platform, then
theoretically he is not doing any work
because 0 = 90°, W = ?​

Answer 1

Answer:

I didn't understand your question

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