P2 - Resultant Forces Flashcards
1
Q
What is a balanced force?
A
An equal and opposite force.
2
Q
When are forces balanced?
A
Forces are balanced when the object is either STATIONARY or at a CONSTANT SPEED.
3
Q
What is a resultant force?
A
The sum of the forces acting upon the object.
4
Q
What does everything have acting upon it?
A
At least two forces. Forces act in pairs.
Keyword - reaction force.
5
Q
If the resultant force of a stationary object is zero…
A
It will not move
6
Q
If the resultant force of a stationary object is not zero…
A
It will move
7
Q
If the resultant force of a moving object is zero…
A
It is moving at a steady speed
8
Q
If the resultant force of a moving object is not zero…
A
It will accelerate.
