Question

How much force is needed to stop a 90-kg soccer player if he decelerates at 15 m/s²?



A.
1350 N


B.
15 N


C.
6 N


D.
135 N

Answer 1

force = mass * acceleration

Answer 2

So how do I do that? @sourwing

Answer 3

F = m* a

m = mass = 90 kg
a = acceleration = 15 m/s^2
F = force