What force is required to produce an acceleration of 3m/s2 in an object of mass 0.7kg?
An object moves with an acceleration of 3ms2 when a force of 30 N is applied. The mass of the body is ___ kg.
(a) State Newton’s third law of motion and give two examples to illustrate the law. (b)Calculate the force required to produce : (i) an acceleration of 2.5 m/s2 in a body of 4 kg (ii) an acceleration of 3.0 m/s2 in a body of 10 kg.