Question

Here is Mr. Legare, skateboarding, again ...

He’s riding his skateboard down a ramp. Assume that his acceleration is 1.0 m/s2 how much force does it take for him to accelerate at this rate? He has a mass of 85 kg.

A. 0.011 N


B. 85 N

C. 7225 N

D. 85 kg

Answer 1

B. 85 N

Step-by-step explanation:

Newton's second law:

F = ma

F = (85 kg) (1.0 m/s²)

F = 85 N