vocabulary
laws and facts
facts
facts
facts
100
what is friction
What is the force that results when two materials rub against each other
100
what is first law
What is an object at rest will stay at rest, an object in motion will stay in motion unless acted apon an unbalanced force
100
what is an incline plane
What is a straight, slanted surface used to raise an object
100
what is work
What is the result of force applied to an object causing it to move
100
what is force
What is a push or pull that changes the movement of an object
200
what is lever
What is a beam or bar that pivots on a fixed point
200
what is second law
What is force equals mass times acceleration
200
what is reference point
what do we use to determine whether or not an object has moved
200
what is joule
What is the metric unit used to measure work
200
grade
What is the measure of steepness of a slope
300
what is joule
What is a metric unit used to measure work, equal to one newton meter
300
what is third law
What is for every action there is an equal and opposite reaction
300
what is force
..... pushes and pulls objects
300
what is unchanged
when opposite forces are balanced , the object's movement or position remains ......
300
what is it to move
if an object is at rest, an unbalanced force will cause ...........
400
what is speed
What is a measure of distance an object moves in a given amount of time
400
what is work
What is ?=f x d what is the ?
400
what are three classes of levers
how many classes of levers are there
400
what is true
true or false : kicking a soccer ball is work
400
what is false
true or false : pushing a school building is work
500
what is newton
What is a metric unit used to measure force
500
what is increases
What is if force or distance increases, work ......
500
what is between the effort and load
Where is the fulcrum in the first class lever
500
what is between the fulcrum and efort
Where is the load in second class lever
500
what is between the fulcrum and load
Where is the effort in the third class lever
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