Simple Machines Questions And Answers. Select one or more questions using the checkboxes above. In a reciprocating steam engine Answer: c Explanation: in a reciprocating steam engine, piston, piston rod and crosshead constitute one link ; connecting rod with big and small end.

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With lesser variables and parameters, the variance can be reduced. Simple machines are devices or tools with few or no mechanical moving parts or tools that make work easier like a wedge, wheel and axle, lever, pulley etc. which are. Simple machines make our lives easier - we know this but we aren't always aware of how they help Give your budding young observers a chance to find simple machines at use in your home.