30 Statics - A wrench is used to attempt to turn a bolt....

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A wrench is used to attempt to turn a bolt. The bolt has a radius of 1cm and the wrench is 30cm long. a) Draw the extended force diagram for the bolt/wrench system. b) Write out the expression that would determine the magnitude of the frictional force necessary to keep the bolt from turning.
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A 60 lb child sits on the end of a 15 foot long teeter-totter. Where should her father (who is 180 lbs) sit to balance the teeter-totter? Draw an extended force diagram. 15 feet
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A 60 lb child sits on the end of a 15 foot long teeter-totter. Her father (who is 180 lbs) sits on the opposite side to balance the teeter-totter. If the teeter-totter weighs 20lbs, what force does the support exert? Draw a free body diagram. 15 feet
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accompanying expressions (Newton’s Law) that would determine the tension in the cable and the magnitude and direction of the force of the wall on the platform. 2m
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This document was uploaded on 04/15/2011.

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30 Statics - A wrench is used to attempt to turn a bolt....

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