Question

a objet of mass 5kg is moving with a velocity of 10ms1 a force is spplied so that in 15s it attains a velocity of 25ms1 what is the force applied on the object ?

Answer 1

m = 5kg
u = 10m/s
t. = 15s
v = 25m/s

F = ma
a= v-u/t
= 25-10/15.
= 1
therefore F = 5*1
= 5