A rocket taking off straight upward develops a thrust of 10,000 newtons. The rocket weighs 2,000 newtons. The net force on the rocket, neglecting air resistance, is
A) 8,000 newtons.
B) 10,000 newtons.
C) 12, 000 newtons.
D) 2,000 newtons.
E) zero.

Question

Quizplus · Accepted Answer

The net force is the thrust minus the weight of the rocket: 10,000 N - 2,000 N = 8,000 N.

A Rocket Taking Off Straight Upward Develops a Thrust of 10,000