8.2 Foces Between Object Flashcards
1
Q
What is force definition in physics
A
Push or pull act on an object
2
Q
What could happen to object when force input
A
Change in shape or position
3
Q
Force can cause an object to
A
To change in state of rest
4
Q
Different between contact force and non contact force
A
Must touch to interact and doesnt have to
5
Q
E.g. of contact force
A
Friction, Air resistance, tension force, thrust
6
Q
E.g. of non contact force
A
Magnesium force, gravitational force, Electrostatic force, nucleur force
7
Q
What is Newton third law of motion
A
When two object interact, they exert equal or opposite force on each other
8
Q
Examples of newtons third law
A
Push up, get up
9
Q
Friction is?
A
Force exerted by a surface on object when it moves accross it
