14. A rocket pushes exhaust 10,000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?*
1pa
5,000 N
10,000 N
15,000 N
0 20,000 N
(Pls)

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.