A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the toy with its weight force of 8 N. If this is the "action force," what is the "reaction force"?
A) the string pulling downward on the ceiling with an 8-N force
B) the toy pushing downward on the Earth with an 8-N force
C) the ceiling pulling upward on the string with an 8-N force
D) the toy pulling upward on the Earth with an 8-N force
E) the string pulling upward on the toy with an 8-N force

Question

Quizplus · Accepted Answer

According to Newton's third law, every action has an equal and opposite reaction. If the Earth pulls downward on the toy with an 8-N force, the toy pulls upward on the Earth with an 8-N force.

A Child's Toy Is Suspended from the Ceiling by Means