The Block Shown Moves with Constant Velocity on a Horizontal

question 32

Multiple Choice

The block shown moves with constant velocity on a horizontal surface. Two of the forces on it are shown. A frictional force exerted by the surface is the only other horizontal force on the block. The frictional force is:

• A) 0
• B) 2 N, leftward
• C) 2 N, rightward
• D) slightly more than 2 N, leftward
• E) slightly less than 2 N, leftward

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AFL

The American Federation of Labor, a historic federation of labor unions in the United States.

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Groups within a population that are distinguished by racial, ethnic, religious, or cultural identity and often experience differential treatment or representation.

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The American Federation of Labor and Congress of Industrial Organizations, a federation of labor unions in the United States.

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