Energy Flashcards
1
Q
The principle of conservation of energy
A
Energy cannot be created or destroyed, only transferred from one store to another
2
Q
Work Formula
A
W=Fs
3
Q
Units for work
A
Joules
4
Q
Units for force
A
Newtons
5
Q
Units for distance
A
Meters
6
Q
What is mass
A
The amount of physical material
7
Q
Units for mass
A
Kilograms
8
Q
What is weight
A
Weight is gravity acting on mass
9
Q
Units for weight
A
Newtons
10
Q
Formula for weight
A
W=mg
11
Q
What is extension
A
How much something squashes or stretches
12
Q
Formula for gravitational potential energy
A
E=mgh
13
Q
Formula for kinetic energy
A
E=0.5*mvv
14
Q
Formula for velocity
A
Velocity=distance/time
15
Q
Formula for elastic potential energy
A
E=0.5*kee
