3. ssm You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 45 N × m. Using the data in the drawing, determine the magnitude F of the force that you must exert on the wrench.

 

w0419

Problem 3

 

Which can be thought of as either

Or

Consider the drawing

So the perpendicular force would be

So, torque is

Solve for Force

 

 

 

 

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This page last updated on January 11, 2020