Force
Work
Friction
Force Units
Forces, Work, Friction, etc.
100
A push or pull that changes the motion of an object.
What is force?
100
Using a force to move an object a distance
What is work?
100
All surfaces have these two things.
What are bumps and scratches?
100
Newtons
What is force measured in?
100
What does this picture represent?
What are balanced forces?
200
An object in motion will stay in motion and an object will stay at rest will stay at rest unless acted on by an unbalanced force.
What is Newton's First Law of Motion?
200
W = F x d
What is the formula for work?
200
When one surface moves against another without surface and bumps and scratches rub
What is friction?
200
Joules
What is work measured in?
200
What does this picture represent?
What are unbalanced forces?
300
The resistance of an object to change its motion.
What is inertia?
300
A car toy car weighing 3.0 Newtons is lifted 10 meters. How much work is being done?
What is 30 Joules?
300
This makes surfaces easier to move things on.
What is lubrication?
300
meters
What is distance measured in?
300
Putting oil inside a car engine is an example of this.
What is lubricating?
400
All objects pull on one another.
What is gravity?
400
Two things are needed for work to be done.
What are force and movement?
400
Frictions builds up these two things.
What are resistance and heat?
400
This person's name is used for the measure of force.
Who is Newton?
400
if there is no movement, then this is not being done.
What is work?
500
What is 9N right?
500
A shoe weighing 1.0 Newton is lifted 50 meters. How much work is being done?
50 Joules
500
One of two ways that reduces friction.
What is rolling things instead of sliding them?
or
What is lubricating surfaces?
500
An object will continue to do this if NO forces are acting on it.
What is move in the same direction?
500
A final force and its direction
What is a resultant?