Intro to Torque Video Lessons

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Problem: Consider the nail puller shown in the figure.(a) What is the mechanical advantage of a nail puller where you exert a force 46.5 cm from the pivot and the nail is 1.5 cm on the other side? MA =   (b) what minimum force must you exert to apply a force of 1050 N to the nail? 

FREE Expert Solution

Part (a)

Mechanical advantage is the ratio of the distance input and the distance output. 

MA = li/lo

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Problem Details

Consider the nail puller shown in the figure.

(a) What is the mechanical advantage of a nail puller where you exert a force 46.5 cm from the pivot and the nail is 1.5 cm on the other side? 

MA =   

(b) what minimum force must you exert to apply a force of 1050 N to the nail? 

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