Question

A man weighing 500n carrying load of 100n runs up a flight of stairs 4 m high in 5 seconds calculate power

Answer 1

Given

F = 600 N , s = 4 m , t = 5

solution

W = F . s

W = 600 × 4

W = 2400 J ...............(1)

Power = W / t

P = 2400 / 5

P = 480 Watt