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  1. In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to

    2. A.

     0.1 N
    B.

     1 N
    C.

     10 N
    D.

     100 N

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    Answer : Option A

    Explanation :

    Mass = 10 g = 0.01 kg
    Length = 10 cm = 0.1 m
    Time = 0.1 s
    Force = mass × length/ time ^2
    = > Force = 0.01 × 0.1 × 0.1-2 = 0.1 N

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