A crate is acted upon by a net force of 100 N. An acceleration of 4.0 m/s² results. The weight of the crate is A) 25 lb. B) 25 N. C) 25 kg. D) 245 N. E) 245 lb.

Question

Quizplus · Accepted Answer

From Newton's second law, F_net = ma, we can solve for the mass of the crate:
100 N = m(4.0 m/s^2)
m = 25 kg
Then, the weight of the crate can be found using W = mg:
W = (25 kg) (9.8 m/s^2)
W = 245 N

A Crate Is Acted Upon by a Net Force of 100