A nut bolt used in a machine is not able to withstand the pressure of the moving part. What can be done so that it can withstand the pressure?
A
Use thinner bolts
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B
Increase length of bolts
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C
Reduce thread count of bolts
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D
Use thicker bolts
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Solution
The correct option is D Use thicker bolts The pressure is directly proportional to the force applied and is inversely proportional to the area of contact. If we increase the contact area of the force, i.e. make the bolts thicker, they can bear more pressure.