Forces Between Objects Flashcards
1
Q
What is a force?
A
A force is a push or a pull that acts on an object measured in Newtons(N).
2
Q
What is a contact force?
A
If two objects touch to interact then it is a contact force.
3
Q
What is a non contact force?
A
If the two objects don’t touch but still interact it is called a non contact force.
4
Q
Examples of a contact force?
A
Friction
Air resistance
Tension
Thrust
5
Q
Examples of Non- contact forces?
A
Gravitational
Magnetic
Nuclear
Electrostatic
6
Q
What is friction?
A
Friction is a force between two surfaces that are sliding , or trying to slide across each other.
7
Q
Example of friction?
A
When you try to push a book on the floor friction is created making it difficult.