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Q.04.Differentiate Between Structure and Machine



1. A structure is a skeleton build to bear the load, mainly compressive load.

A machine converts the available energy into some useful work.

2.No relative motion exists between its members.

2.Links are meant to transmit motion and forces which are dynamic.

3. Structure serves to modify and transmit forces only.

3. Machine serves to modify and transmit mechanical work.

4.Roof trusses,bridges,buildings,machine frames etc.

4. Shaping machine, lathe machine,screw jack etc