If a fast-moving object strikes you, you'll experience less force of impact if you can ____________________.
A) increase the time the momentum decreases.
B) shorten the time the momentum decreases.
C) either shorten or increase the time, for the result is the same.
pop - Damon, Sunday, February 19, 2012 at 6:00pm
F * time = change of momentum
the longer the time, the less the force.
(use springy helmet)