Explore the relationship between spring force and potential energy in this physics breakdown! Learn how springs store energy, how Hooke's Law applies, and how to calculate the potential energy in ...

Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force found in a spring. And last are resistive forces: ...

Deegan’s hit on Anstie in San Diego ‘not terrible’ 15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal.

When an object, such as a spring, is stretched, the increased length is called its extension. Key fact Hooke's law: The extension of a spring is directly proportional to the force applied, provided ...