Forces Flashcards
1
Q
What is a contact force?
A
A contact force is a force that is applied only when in contact with another object.
2
Q
What is a non-contact force?
A
A non-contact force is a force that doesn’t need to be touched by another object to move.
3
Q
Give an example of a non-contact force.
A
Gravity OR Thrust OR Drag
4
Q
Forces are unbalanced if…
A
- The object is moving
- Getting faster or slower
- Changing shape
- Changing direction
5
Q
What is an example of a natural force?
A
- Gravity
- electromagnetic,
- Strong nuclear
- Weak nuclear
6
Q
What is friction?
A
Friction is when two objects are rubbing together.
7
Q
Do opposite poles of a magnet attract each other?
A
Opposite poles of a magnet do attract each other.