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Simple Machines 101
Levers, Pulleys and IP
Screw, Wedge, WA, Gears
Mechanical Advantage
Other
100
True or false. Simple machines make work harder.
What is false? They make work easier.
100
This is called the fixed point.
What is fulcrum?
100
This is two inclined planes put together that can cut.
What is a wedge?
100
The formula for Mechanical advantage of a lever is length of ________arm divided by length of _______arm
What is effort, resistance?
100
This is what is being moved by a lever.
What is a load?
200
Simple machines involve a _____ or a _____ over an increased distance.
What is a push, pull?
200
This type of pulley does not move with the load.
What is a fixed pulley?
200
This is an inclined plane wrapped around a cylinder.
What is a screw?
200
The mechanical advantage for a moveable pulley is ___N.
What is 2?
200
This class of lever has the fulcrum in the middle of the effort force and load.
What is first class lever?
300
This is what you put into something to potentially move it.
What is an effort force?
300
This is a sloping surface.
What is an inclined plane?
300
These are wheels with teeth.
What are gears?
300
The mechanical advantage of a lever with an effort arm of 20 and a resistance arm of 10 is _____ N.
What is 2?
300
This class of lever has the fulcrum on one end, the effort on the other end and the load in the middle.
What is second class lever?
400
This is another name for an effort force.
What is an input force?
400
This type of pulley consists of at least one fixed and one moveable pulley.
What is a block and tackle?
400
This simple machine has two circular disks and a rod holding the disks together.
What is a wheel and axle?
400
The mechanial advantage of an inclined plane with the length of 12 m and the height of 4 m is ______ N.
What is 3?
400
The mechanical advantage of a fixed pulley is ____ N.
What is 1?
500
Simple machines require less force over a ________ distance.
What is greater?
500
This class of lever has the fulcrum on one end, the effort in the middle and the load on the other end.
What is a third class lever?
500
This simple machine is found in a screw and a wedge.
What is an inclined plane?
500
The mechanical advantage of a block and tackle that has two fixed pulleys and one moveable pulley is _____ N.
What is 4?
500
The mechanical advantage of a lever with an effort arm of 50 and a resistance arm of 10 is _____ N.
What is 5 N?