A Mass Sits at Rest on Top of a Table

Multiple Choice

A mass sits at rest on top of a table. Which two forces that are not action-reaction partners 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 contact force on the mass due to the table and the contact force on the table due to the mass
C) the force of gravity on the mass due to the Earth and the contact force on the table 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
E) the contact force on the mass due to the table and the force of gravity on the Earth due to the mass