Question 1 Report
A constant force of 40N acting on a body initially at rest gives an acceleration of 0.1ms-2 for 4s. Calculate the work done by the force
Answer Details
X = ut + 12 1 2 at2
= (0 x 4) + (12 1 2 x 0.1 x 4 x 4)
= 0.8m
workdone = force x distance
= 40 x 0.8
= 32J