Forces And Motion Vocabulary

noun the force or power that drives something away or resists its approach

• The repulsion between the two charged particles caused them to move apart.
• I can't stand the repulsion I feel towards that person.
• The repulsion I have for that movie is off the charts.
• The repulsion I feel towards injustice fuels my activism.

noun a force that is equal in magnitude and opposite in direction to a force acting on a body

• The reaction force exerted on an object is equal in magnitude but opposite in direction to the action force applied to it.
• When you push against a wall, the wall pushes back with a reaction force.
• Dude, did you feel that reaction force when you tried to lift that heavy box?
• Her harsh words created a strong reaction force, causing him to retreat emotionally.