Question

calculate the force required to change the velocity of an object of mass 8 kg from 4 metre per second to 6 metre per second in two seconds​

Answer 1

Answer:

F = 8 N

Explanation:

As F =ma and a = (vf-vi) / t

thus F = m × ( Vf - Vi ) ÷ t

F = 8 × 2/2 = 8×1 = 8 N