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The Flosberry's Flop

A block of 5 ...

Question

A block of 5 kg mass rests on a horizontal floor. The action of the block on the floor is

A

50 N vertically upward

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B

50 N vertically downward

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C

5 N vertically upward

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D

5 N vertically downward

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Solution

The correct option is B
50 N vertically downward

Weight of the block, mg = 5kg x 10 m/s² = 50 N.

According to Newton's third law, the action of the block, that is the force exerted on the floor by the block is equal to 50 N in magnitude and is directly vertically downward.

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