Force
What is force?
Force is a push or pull
If an object stays at rest?
It will stay at rest
Forces are said to be, ¨balanced¨ if their effects...?
Cancel each other
Forces are said to be, ¨unbalanced¨ if their effects..?
Do not cancel each other.
What is Momentum?
Movement.
What is force measured in?
Newtons (N).
If an object stays in motion?
It stays at motion
What is another way to know if forces are balanced?
There is no change in the objects speed or direction.
What is another way that forces are unbalanced?
If there is no change in the objects speed or direction.
Whenever something is moving it has...?
Momentum.
What does force cause?
Causes an object to change speed, change direction, or to change size, or shape.
What do you do to stop an object in motion?
Act it upon an unbalanced force
If one side of a cabinet is being pushed with 50 newtons and the opposite is being pushed with 50 newtons, is it balanced?
Yes. (0N)
If one side of a rope is being tugged with 60N and the opposite is being tugged with 70N, are the forces balanced or unbalanced?
Unbalanced (10N)
If you are not moving you do not have any
Momentum.
What is Net force?
Net force is the combination of all of the forces acting on an object.
What type of speed does an object in motion stay in?
Constant
What newtons mean the forces are balanced?
0N
What does the newtons require to be for the forces to be unbalanced?
Anything above (0N) or there is a difference between the two forces
Momentum depends on how ___ is something is going?
Fast
If the forces acting on an object are in the same or opposite
You add or subtract the difference between the two forces
What is Newtons First Law also referred to?
What should two forces be when they are acting upon an object?
Equal.
What should two forces be when they are acting upon an object?
Different (There is a difference between the Newtons)
When things ___ momentum can transfer.
Crash