science energy 2 Flashcards
1
Q
Define for potential energy
A
Energy an object has because of its position or shape.
2
Q
Calculate for potential energy
A
weight × height
3
Q
Give examples for potential energy
A
A stretched rubber band, moving something to a higher shelf
4
Q
Define for kinetic energy
A
Energy an object has due to motion
5
Q
Calculate for kinetic energy
A
½ x mass x (speed)^2
6
Q
Give examples for kinetic energy
A
A person walking, a skateboard rolling, a bird flying.
7
Q
Define for mechanical energy
A
The form of energy associated with the motion
8
Q
Calculate for mechanical energy
A
Kinetic Energy + Potential Energy
9
Q
Give examples for mechanical energy
A
Also the moon moving across the sun - the moon was moving.
