A horse is dragging a loaded sled across a field. Which of these pairs of forces is an action-reaction pair by Newton's third law?
A) force of the horse on the sled and force of the ground on the sled
B) force of the horse on the sled and force of the sled on the horse
C) force of the horse on the sled and force of the ground on the horse
D) force of the sled on the ground and force of the horse's hooves on the ground

Question

Quizplus · Accepted Answer

Newton's third law states that for every action, there is an equal and opposite reaction. The force of the horse on the sled and the force of the sled on the horse are an action-reaction pair, as they are equal in magnitude and opposite in direction.

A Horse Is Dragging a Loaded Sled Across a Field