A 400-N block is dragged along a horizonatl surface by an applied force as shown. The coefficient of kinetic friction is u_k = 0.4 and the block moves at constant velocity. The magnitude of is: A) 100 N B) 150 N C) 200 N D) 290 N E) 400 Nb

Name: A 400-N block is dragged along a horizonatl surface by an applied force as shown. The coefficient of kinetic friction is u k = 0.4 and the block moves at constant velocity. The magnitude of is: A) 100 N B) 150 N C) 200 N D) 290 N E) 400 Nb
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The Answer is B

A 400-N Block Is Dragged Along a Horizonatl Surface by an Applied