392,119 views
30 votes
30 votes
a nut is rusted and jammed. we have two wrenches one of 10 cm and another of 20 cm. which wrench is preferred to unscrew the nut ? give reason also​

User James Grundner
by
2.4k points

1 Answer

21 votes
21 votes

The wrench which generate more pressure should be used .


\\ \bull\tt\dashrightarrow Pressure=(Force)/(Area)


\\ \bull\tt\dashrightarrow Pressure\propto (1)/(Area)

The wrench having less area will generate more pressure .

Hence the first wrench will be used.

User Ray Perea
by
2.9k points