Question

If an object is moving with a force of 99N at 12.5m/sec2, what is the mass of this object?

Answer 1

1) F = m.a

Here, F= 99N, a = 12.5 m/s^2

m = F/a

m = 99/12.5

m = 7.92 Kg

2) weight = mg

Here, m = 55 Kg, g = 9.8 m/s^2

W = 55*9.8 = 539 Newtons.