Vocabulary
Work
Newton
Classes of levers
Simple Machines
100
A push or pull
What is the meaning of force
100
The formula of work is force times distance
What is the formula of work ?
100
An object at rest will stay at rest,and an object in motion will stay in motion at constant velocity ,unless acted upon by an unbalanced force
What is Newton's first law ?
100
Three
How many classes of levers are there
100
They are important to us because it makes are life easier
Why are simple machines important to us?
200
The result of a force applied to an object causing it to move
What is the meaning of work ?
200
Energy is used to apply force to an object and it moves in the direction of the force
Work accursed when......
200
Force equals mass times acceleration
What is Newtons second law ?
200
The effort and the load
The first class lever is between the ?
200
It alters the direction of the force
What does a simple machine alter ?
300
A metric unit used to measure force
What is Newton ?
300
Work
What is the result of a force applied to an object causing it to move ?
300
For every action there is an equal and opposite reaction
What is Newton's third law ?
300
The fulcrum and the effort
The second class lever is between the ?
300
It changes the amount of force applied
What does the simple machine change ?
400
The change in an object's velocity over a period of time
What is the meaning of acceleration ?
400
He was named after a metric unit used to measure force
What was sir Isaac Newton named after......
400
The fulcrum and the load
The third class lever I between the ?
400
It provides the means for us to do more work with less force
What does a simple machine do ,when we can not apply enough force to move an object by ourselves ?
500
The force that is applied to a simple machine
What is effort ?
500
More work takes place
What happens when greater force is applied ?
500
Understand and explain the relationship between mass and acceleration
Sir Isaac Newton was the first to ?
500
A beam or a bar the pivots on a fixed point
What is a lever ?
500
A simple machine
What do you need to left up a couch onto a truck by yourself ?
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