14. A massive rope pulls a block at a constant speed. There is a non-zero contac

Question

14. A massive rope pulls a block at a constant speed. There is a non-zero contact force (friction) between the block and the table, is the tension in the rope a) greater than the pulling force? b) equal to the pulling force? c) less than the pulling force? 15. An object is held in place by friction on an inclined surface. The angle of inclination is increased until the object just starts to move. If the surface is kept at this angle, the object a) slows down b) moves at uniform speed c) speeds up d) none of the above

Explanation / Answer

1) B equal

2) C speeds up

3) B equal

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