You pick up a 3.4 kg can of paint from the ground and lift it to a height of 1.5 m .

Question

A) How much work do you do on the can of paint?

B)You hold the can stationary for half a minute, waiting for a friend on a ladder to take it. How much work do you do during this time?

Express your answer to two significant figures and include the appropriate units.

Answer 1

Work = Force * Displacement

a) Force = Gravity of paint = m * g = 3.4 * 9.8 = 33.32 N

Work = 33.32 * 1.5 = 49.98 N*m

b) Displacement = 0

Work = 0