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Difference between a Machine and a Structure

The following differences between a machine and a structure are important from the subject (Machine Design) point of view.

 

1. The parts of machine move relative to one another, whereas the members of a structure do not move relative to one another.

2. A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work.

3. The links of a machine may transmit both power and motion, while the members of a structure transmit forces only.

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