Topic 3.3: Work, Energy, and Power Flashcards
1
Q
what is work done ?
A
the product of the magnitude of the force and the distance moved by the object in the direction of the force
2
Q
what is kinetic energy ?
A
the energy associated with the motion of an object with mass
3
Q
gravitational potential energy
A
the energy of an object due to its position in a gravitational feild
4
Q
elastic potential energy
A
energy stored by an object as a result of a reversible change in its change
5
Q
principle of conservation of energy
A
in a closed system , energy cannot be created or destroyed but only transferred from one form to another