A Man Pulls a Sled Along a Rough Horizontal Surface $\theta$

question 42

Multiple Choice

A man pulls a sled along a rough horizontal surface by applying a constant force at an angle $\theta$ above the horizontal. In pulling the sled a horizontal distance d, the work done by the man is:

• A) Fd
• B) Fd cos \(\theta\)
• C) Fd sin \(\theta\)
• D) Fd/cos \(\theta\)
• E) Fd/sin \(\theta\)

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