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A woman pulls a block along a horizontal surface at a constant speed with a force...

A woman pulls a block along a horizontal surface at a constant speed with a force of 10 N acting 20 degrees above the horizontal. The block moves and she does 85 J of work. What is the distance, in m, that the block moves?

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Answer #1

Concept: use the definition of work done by a force to find the displacement of the block as follows

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