Forces Flashcards
1
Q
What is a force?
A
A force is a push or pull measured in Newtons
2
Q
Describe a non-contact force
A
Doesn’t have to be touching to have an effect
Gravity or magnetism or static
3
Q
Describe a contact force
A
Has to be touching to have an effect
4
Q
Forces can be balanced and unbalanced means WHAT?
A
Balanced - Will cancel out
Un-balanced - wont cancel out
5
Q
Imagine a car
If the car is moving at 15N
And the drag is 5N
What is the force and what is the car doing?
A
10N –>
Accelerating
6
Q
Imagine a car
The car is moving at 5N
And the drag is 5N
What is the Force and what is the car doing?
A
0N
Stopped or moving at a constant speed