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# Solved: A worker drags a crate across a factory floor by

## Problem 77 Chapter 5

Fundamentals of Physics: | 9th Edition

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Fundamentals of Physics: | 9th Edition

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Problem 77

A worker drags a crate across a factory floor by pulling on a rope tied to the crate. The worker exerts a force of magnitUde F = 450 N on the rope, which is inclined at an upward angle 8 = 38 to the horizontal, and the floor exerts a horizontal force of magnitUde f = 125 N that opposes the motion. Calculate the magnitude of the acceleration of the crate if (a) its mass is 310 kg and (b) its weight is 310 N.

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