To tighten the bolt, we prefer to use a wrench with a long arm why?

1.	To tighten the bolt, we prefer to use a wrench with a long arm why?
Answer» Solution :Torque `vect=vecrxxvecf` = long arm `XX` force. When are (r ) is long, the torque is increased. Thus a SMALLER force can produce a LARGE turning EFFECT.

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