A mass sits at rest on top of a table. Which two forces are interaction pair forces and thus are equal and opposite?
A) the force of gravity on the mass due to the Earth and the force of gravity on the Earth due to the mass
B) the force of gravity on the mass due to the Earth and the contact force on the table due to the mass
C) the contact force on the mass due to the table and the force of gravity on the Earth due to the mass
D) the force of gravity on the mass due to the Earth and the contact force on the mass due to the table

Question

Quizplus · Accepted Answer

According to Newton's third law, interaction pair forces are equal and opposite. The force of gravity on the mass due to the Earth and the force of gravity on the Earth due to the mass are such a pair.

A Mass Sits at Rest on Top of a Table