Question

which would require a greater force _ accelerating a 5kg mass at 2m/s -2 or _ accelerating a 2kg mass at 5m/s-2 ?Also justify your answer.​

Answer 1

Force F = ma

(1) : F1 = m1a1 = 2 × 5 = 10 N

(2) : F2 = m2a2 = 4 × 2 = 8 N

So, 2 kg will require greater force.