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A block lies on a floor. (a) What is the...

A block lies on a floor. (a) What is the magnitude of the frictional force on it from the floor ? (b) If a horizontal force of 5N is now applied to the block. But the block dose not move. What is the magnitude of the fricition on it ? (c) If the maximum value `f_(c "max")` of the static frictional force on the block is 10 N, will the block move if the magnitude of the horizontally applied force is 8 N? (d) If it is 12 N ? (e) What is te magnitude of the frictional force in part (c) ?

Text Solution

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Zero (because there is no attempt at sliding), (v) 5N, (c) No, (d) yes (c) 8N
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Knowledge Check

  • A block is lying static on the floor. The maximum value of static fictional force on the block is 10 N. If a horizontal force of 6 N is applied to the block,what will be the frictional force on the block?

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