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Acceleration

If m1 = 20 ...

Question

If $m_{1} = 20 k g$ & $m_{2} = 10 k g$ find normal force acting on the floor?

A

300 N

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B

100 N

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C

200 N

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D

None of these

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Solution

The correct option is A $300 N$
Normal force is equal to weight of the system, it can be given as

$N = (m_{1} + m_{2}) g$
$= (20 + 10) \times 10$

$= 300 N$

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