Physics Torque and Rotation

User Generated

royngpuebq

Science

Description

A combination lock has a 1.3-

cm-diameter knob that is part of the dial you turn to unlock the lock. To turn that knob, you grip it between your thumb and forefinger with a force of 4.0 N as you twist your wrist. Suppose the coefficient of static friction between the knob and your fingers is  0.75.

A) What is the most torque you can exert on the knob without having it slip between your fingers?

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Explanation & Answer

Thank you for the opportunity to help you with your question!

max torque is 0.0195 Nm

see picture

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