1. You will need 5 Vocabulary Cards/Vocabulary 6.2
Simple Machines
You will need 5 Vocabulary Cards/Vocabulary 6.2

2. Input Force (Effort) The force exerted on a machine.
The input force moves the machine a certain distance.
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3. Output Force The force a machine exerts on an object.
The output force should be greater than the input force.

5. Efficiency
This is the comparison of the output work to the input work.
A Machine is efficient if the output is greater than the input.
However, no machine gives 100% efficiency.

6. Compound Machine
A device that combines two or more simple machines.

7. Study Jam
machines.htm
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