When you push a box with 20 N of force. With a force of 20 N, the box applies back to you.
According to Newton's third law of motion, every action has an equal and opposite reaction. As well as the action and reaction are always acted in pairs.
When the student jumps off a sled toward the west after it stops at the bottom of an icy hill.
Based on the law of action-reaction, In the East direction will the sled move as the student jumps off.
Forces always act in pairs. When the person pushes a box with 20N of force. In that condition, the box will apply some reaction that is equal to 20 N.So that the static equilibrium must be balanced.
Hence with a force of 20N the box applies back to you
To learn more about Newton's third law of motion refer to the link;
https://brainly.com/question/974124
