Classical Mechanics (Kibble & Berkshire) · Problem 6.2

Orbits in a central field — T.W.B. Kibble, F.H. Berkshire

Physics — Mechanics · rate-of-working

Problem

In a competition, a man pushes a block of mass 50 kg with constant speed 2 m s

^{-1}

up a smooth plane inclined at

30^\circ

to the horizontal. Find the rate of working of the man. [Take

g = 10

m s

^{-2}