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A block of weight W is pulled along a horizontal surface at a constant speed v by a force F, which acts an angle theta with the horizontal, as shown to the left. The normal force exerted on the block by the surface has magnitude
A) greater than zero but less than W
B) Equal to W
C) Zero
D) greater than W
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A block of weight W is pulled along a horizontal surface at a constant speed v by a force F, which a...
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