Contact Forces Vocab

Front

Collision

Back

An event in which two or more objects come into contact with each other.

Front

Peak Force

Back

The maximum amount of force exerted during a collision.

Front

Free Body Diagram

Back

A diagram that shows all the forces acting on an object.

Front

Kinetic Energy (KE)

Back

The energy of motion.

Front

Elastic Limit

Back

The maximum amount of deformation a material can withstand without permanent damage.

Front

Contact Force

Back

A force that arises from the physical contact between two objects. (a push or pull)

Front

Friction

Back

A force that works in the opposite direction of motion. Occurs when two objects slide over each other.

Front

Air Resistance

Back

A force that works in the opposite direction of motion. Occurs when air particles push on a moving object.

Front

Protective Material

Back

A material designed to absorb energy and reduce the impact of a collision.

Front

Cushioning

Back

A material that reduces the peak force of a collision by increasing the contact time.