Question

Spanners of different sizes
have lengths. Why?

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Answer 1

Answer:

SPANNERS OF DIFFERENT SIZES HAVE LENTHS.MORE THE SIZE OF SPANNER MORE WILL BE THE LENGTH.THESE ARE DUE TO THEY WORK ON THE PRINCIPLE OF MOMENT OF FORCE WHICH STATES THAT TURNING EFFECT DEPENDS ON FORCE APPLIED AND THE PERPENDICULAR DISTANCE FROM POINT OF FORCE TO THE PONT OF INTERACTION OF THE OBJECT WHICH IS TURNED.THUS BY INCREASING LENGTH OF A SPANNER THER IS AN INCREASE IN TURNING EFFECT..AS A RESULTANT LESS FORCE IS APPLIED.

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