P1 Conservation And Dissipation Of Energy Flashcards
1
Q
What is Kinetic energy in?
A
In a moving object
2
Q
What is chemical energy in?
A
A battery or fuel
3
Q
What is gravitational energy in?
A
An object above ground
4
Q
What is elastic energy in?
A
Stretched or squashed object
5
Q
What is thermal or heat energy?
A
Is due to a substance is the temperature
6
Q
What is magnetic energy?
A
Two separate magnets (attract/repel)
7
Q
What is nuclear energy?
A
Radioactive decay
8
Q
Four ways which energy can transfer
A
Mechanically, electrically, by heating or by radiation
9
Q
Work done =?
A
Force x gravitational force
10
Q
Weight=?
A
Mass x gravitational force
11
Q
Kinetic energy =
A
1/2 x m x v^2
12
Q
One way to remove frictional forces?
A
Lubricants
E.g oil in a car to which reduces friction between the parts
