Question

Which would require a greater force: accelerating a 10 g mass at 5 ms^-2, or accelerating a 20 g mass of 2 ms^-2?

Answer 1

We know force = mass X acceleration
F₁ = 10 X 5 = 50 dyne.
F₂ = 20 X 2 = 40 dyne.
So first body require more force.