Question

a force of 1000 N acting on a bicycle changes its velocity from 2m/s to 5m/s with a constant acceleration 5m/s2.Calculate the workdone by the force​

Answer 1

Explanation:

v² - u² = 2as

25 - 4 = 2 . 5 . s

2.1 = s

W = F.s

W = 1000(2.1)

W = 2100 N