Question

.A body of mass 3 kg is under a force which causes a displacement in it .and is given by S = t square/3.work done... more points

Answer 1

S=4/3 w=mg×s w=3×9.8×4/3 =39.06

Answer 2

m=3kg
s=tsq /3 = 2×2/3 = 4/3 sec.
F=mg = 3× 10 = 30N

W=F'S
= 30×4/3
= 40 j