Question

a force of 5n is applied on an object of mass 0.1 kg for 5 seconds. find the work done by the force ?

Answer 1

f =5
a = f/m = 5/0.1 = 50m/s²

then, using formula , s = ut +1/2at²
s= 0+1/2×50×5×5= 625m

now, work done=f×s = 5×625= 3125 J