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In a compound machine, what role do the various simple machines typically play?

49. In a compound machine, what role do the various simple machines typically play?

1. They increase the size of the machine
2. They decrease the efficiency of the machine
3. They work together to amplify force or transmit motion
4. They create unnecessary complexity in the machine's operation

Answer

The correct answer is: C) They work together to amplify force or transmit motion

Explanation

Simple machines within a compound machine collaborate to amplify force or transmit motion effectively.