Weight & mass Flashcards
1
Q
What is mass?
A
Mass describes how much matter there is in an object
2
Q
What is weight?
A
Weight is the force which pulls an object down because of gravity
3
Q
Weight = what?
A
Weight=Mass x 10N/KG
4
Q
What does 10 represent?
A
Earth’s gravitational field strength, g
5
Q
What units does the Earth’s gravitational field strength have?
A
Newtons per kilogram
6
Q
In general, what does this mean?
A
Weight= Mass x gravitational field strength
7
Q
Is G=10 applicable everywhere?
A
No, it varies depending on where you are
8
Q
G has different what on different planets
A
Different values
9
Q
What does G depend on?
A
A planet’s mass and size
