Question: A string is used to pull a wooden block across the floor without accelerating the block. The string makes an angle to the horizontal as

A string is used to pull a wooden block across the floor without accelerating the block. The string makes an angle to the horizontal as shown in the diagram.

a. Does the force applied via the string do work on the block? Explain.

b. Is the total force involved in doing work or just a portion of the force? Explain.

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