6.5.1.2 contact and non-contact forces Flashcards
1
Q
What is a force?
A
a force is a push or pull (or twist) that acts on an object due to the interaction with another object.
2
Q
All forces are either:
A
-non contact forces
Or
-contact forces
3
Q
What is a non contact force
A
The objects are physically separated
4
Q
What is a contact force
A
The objects are physically touching
5
Q
Name some examples of contact forces
A
-Friction
-air resistance
-tension
-normal contact force
6
Q
Name some examples of non-contact forces
A
-gravitational force
-electrostatic force
-magnetic force
7
Q
Is force a vector or scalar quantity?
A
A vector quantity
