Question

Which would require a greater force accelerating a 2 kg mass at 5 ms-2 or a 4kg mass at 2 ms-2?

Answer 1

1.

FORCE= mass x acceleration

2 x 5 = 10 N

2.

FORCE=mass x acceleration

4 x 2 = 8 N

force of (1) is more

so (1)will require a greater force...