3. Mass and weight Flashcards
Mass and weight
1
Q
What is mass?
A
A measure of how much matter is in an object
2
Q
What is meant by weight?
A
It is the gravitational force on a mass measured in newtons.
3
Q
What is the formula for weight?
A
weight = mass x gravitational field strength
4
Q
What is the gravitational field strength on earth?
A
10 N/kg
5
Q
What is inertia?
A
All masses have inertia, the tendency to keep moving if already moving and stay still if already still
