Joshua is attracted toward Earth by a 500-N gravitational force. The Earth is attracted toward Joshua with a force of
A)zero.
B)250 N.
C)500 N.
D)1000 N.

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. Therefore, if Joshua is attracted toward Earth with a force of 500 N, then Earth is attracted toward Joshua with an equal and opposite force of 500 N. Hence, the correct choice is C - 500 N.

Joshua Is Attracted Toward Earth by a 500-N Gravitational Force