A. <span>Standing is health-enhancing because it uses energy.
Because standing can burn a lot of calories.</span>
B I think. Newtons first law talks about how if some thing is traveling at like 5 mph it’ll stay at 5 mph forever until the force is put on it.
In both magnitude and direction since acceleration is a vector quantity
The answer is 2500 newtons. F = M * A, so 500 kg x 5 m/s = 2500 newtons.