Which would require a
greater force –– accelerating a 2 kg mass
at 5 m s–2 or a 4 kg mass at 2 m s-2 ?
Thus, F1 = m1 a1 = 2 kg × 5 m s-2 = 10 N;
and F2 = m2 a2 = 4 kg × 2 m s-2 = 8 N.
⇒ F1 > F2
Thus, accelerating a 2 kg mass at 5 m s-2 would require a greater force.