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A force of 40N acts on a body. If the un...

A force of 40N acts on a body. If the units of mass and length are doubled and the unit of time is tripled, then the force in the new system becomes 

A

90 N

B

90 new units

C

`(160)/(9)` new units

D

`(160)/(9)N`

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The correct Answer is:
B
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