Rolling Along!
May The Force Be With You
Leverage Time
Work Hard!
What's My Name?
100
Two objects rubbing against each other.
What is friction?
100
The unit for measuring force.
What is a newton?
100
The three parts of a lever.
What is the fulcrum, the load and the effort.
100
When an object moves.
What is work?
100
A sloping surface used to move objects from one level to another.
What is an inclined plane?
200
A substance you can add to reduce friction.
What is lubrication?
200
The tool we use to measure newtons.
What is a spring scale?
200
Move the fulcrum _____ the load to make it easier to lift.
What is closer to or towards?
200
The formula for work.
What is Work=Force x Distance?
200
A bar the pivots on a fulcrum.
What is a lever?
300
Moving friction.
What is traction?
300
Force is a _____ or a _____ on an object.
What is a push or a pull?
300
List two examples of where you could find a pulley.
What is a flag pole and blinds.
300
The unit for measuring work.
What is a joule?
300
A silmple machine made of a grooved wheel and rope.
What is a wheel and axle?
400
When one gear turns another, force is: 1. eliminated 2. transferred 3. measured 4. balanced
What is transferred?
400
The name of the scientist newtons are named after.
Who is Issac Newton?
400
How could you modify the rivet in order to be able to nail it into the wood?
What is sharpen it?
400
A device that allows us to do work more easily.
What is a machine?
400
A simple machine used to split objects.
What is a wedge?
500
Rolling an object on wheels requires less force than dragging the object because ...
What is wheels reduce friction?
500
The amount of joules needed to lift a book from the floor to a shelf 2 meters high, if the book needs 5 newtons of force to lift.
What is 10 joules. (10=5x2)
500
Stick two inclined planes back to back and you'll have me!
What is a wedge?
500
You'll have to go a longer distance, but it takes less effort if you use me.
What is an inclined plane?
500
An inclined plane wrapped around a rod.
What is a screw?
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