Impact (mechanics)
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In mechanics, an impact is when two bodies collide. During this collision, both bodies decelerate. The deceleration causes a high force or shock, applied over a short time period. A high force, over a
Crane with a pile driver
1⁄2 in (12.7 mm) drive pistol-grip air impact wrench
Mock-up of a Space Shuttle leading edge made with an RCC-panel taken from Atlantis showing impact damage during a test
Chevrolet Malibu involved in a rollover crash
Impulse (physics)
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In classical mechanics, impulse is the change in momentum of an object. It is most often used to describe forces which act over short time periods, specifically in the case of impacts and collisions,
Impact (mechanics)
…Impact wrench Impulse (physics) Izod impact strength test…
A large force applied for a very short duration, such as a golf shot, is often described as the club giving the ball an impulse.