PLTW POE Unit 1.1 Review

Front

There are _____ simple machines

Back

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Front

Simple machines help us by changing the magnitude or direction of the _____

Back

Force

Front

The _____ is the input force which must be supplied by the user or engine

Back

Effort

Front

The fixed point of rotation on a lever.

Back

Fulcrum

Front

Back

3rd Class

Front

Back

2nd Class

Front

Back

1st Class

Front

Back

3rd Class

Front

What is mechanical advantage?

Back

The number of times a machine increases input force.

Front

What is the mechanical advantage of the lever (MA=Effort Arm/Load arm)?

Back

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