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Home Q & A Board Science-Related Homework Help Physics
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coleshear coleshear
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6 months ago

A fire fighter tightens the nut on the top of a fire hydrant using a large wrench.  If she applies a force of 250 N perpendicular to the wrench, at a point 0.75 m from the axis of rotation of the nut, how much work does she do on the nut as she rotates it through 45o?



▸

190 J



▸

150 J



▸

290 J



▸

130 J

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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heathernhullheathernhull
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6 months ago
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