energy in materials Flashcards
1
Q
what is the equation for elastic potential energy
A
0.5 x force x (extension)2
2
Q
what are some energy issues
A
in a car crash alot of energy may be transferred to the passangers causing serious injuries
however, cars are designed to direct energy away from the passengers
3
Q
what is a crumple zone and how does it protect passenger
A
crumple zones on a vehicle are parts taht deform plastically.
the energy from the impact isndirected towards crumple zones plastically deforming them in order to prevent injuries to passangers
