Forces, heating and cooling Flashcards
1
Q
What happens to the particles when they are heated?
A
They vibrate
2
Q
Name a force used to keep you afloat and not drown?
A
Upthrust
3
Q
What is it called when to objects are physically touching?
A
Normal contact force
4
Q
Why is gravity not a force?
A
Because gravity is a weight and is a broad term
5
Q
What is mass weighed in?
A
Kilograms
6
Q
List the 8 forces.
A
Upthrust, friction, drag, electrostatic, tension, normal contact force and gravity.
7
Q
List the 8 forms of energy.
A
Sound, light, thermal, chemical potential, gravitational potential, kinetic, nuclear potential and elastic potential
8
Q
What is an example of sound?
A
Talking
9
Q
What is thermal energy measured in?
A
Joules
10
Q
What is the law of energy?
A
Energy cannot be created or destroyed.
