Type of Simple Machines
Movement
Examples
Misc.
Short Answer/Essay
100
What is a flat surface that has one end higher than the other
Inclined Plane
100
What is the fixed point of a lever
fulcrum
100
Give an example of a lever
see saw
100
A wheel and axle increases the
Effort Force
100
If you were sweeping with a broom the dirt getting swept up would be the what?
resulting force
200
What is an inclined plane wrapped around a pole
Screw
200
What is a bar that turns around a fixed point?
lever
200
When you use a lever to open a can of paint, the outer rim of the can is the...
fulcrum
200
What is simple machine?
A device that changes the size or direction of a force
200
Explain how a screw is actually an inclined plane.
If you were to take a screw and remove the ridge it is simply a nail with an inclided plane wrapped around it.
300
What is a large wheel attached to a smaller wheel or axle?
Wheel and Axle
300
What is a basic machine that makes up other machines
Simple Machine
300
What is a fixed pulley is similar to a class one lever because it-
changes the direction of the effort force
300
What is a wedge?
It pushes things apart
300
What is the elbow of a person who is sweeping with a broom in relation to a simple machine?
effort force
400
What are two inclined planes put together
Wedge
400
What is the force you put into a simple machine
Effort Force
400
Give an example of a wheel and axle
door knob
400
What is how well a machine changes effort into work
Efficiency
400
What is the fixed hand on the handle of a broom of someone who is sweeping?
fulcrum
500
What is a rope or chain and the wheel it fits around
A Pulley
500
What is result of force moving an object through a distance
work
500
Give an example of a pulley
A flag pole raising a flag
500
Mr. Marvin puts shingles on the roofs of houses. Each package of shingles weighs 50 kilograms. What simple machines can he use to lift the shingles onto the roof? How would you measure the force needed to life the shingles onto the roof?
Pulley or inclined plane. You could measure the effort force by using a spring scale.
500
Explain how playing on a seesaw is an example of scientific definition of work.
Work is done on an object when a force moves the object through a distance. Because each person uses force to lift an object through a distance, the people are doing work while playing on a seesaw
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