A 14. 0-lb block rests on the floor. What force does the floor exert on the bloc

Question

A 14. 0-lb block rests on the floor. What force does the floor exert on the block? magnitude Your response differs from the correct answer by more than 100%. lb direction If a rope is tied to the block and run vertically over a pulley, and the other end is attached to a free-hanging 12. 0-lb weight, what is the force exerted by the floor on the 14. 0-lb block? magnitude lb direction If we replace the 12. 0-lb weight in part (b) with a 34. 0-lb weight, what is the force exerted by the floor on the 14. 0-lb block? magnitude direction

Explanation / Answer

14 lb = 6.35 kg 12 lb = 5.44 kg 34 lb = 15.4 Kg a) 6.35*9.8 = 62.23 N upwards b)62.23- (5.44*9.8) = 8.92 N upwards c)no, the block will move upwards

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