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In a particular system, the unit 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:

1. 0.1 N
2. 1 N
3. 10 N
4. 100 N

Correct answer: 1 N

Solution

Force is given by F = ma. In the given system, length = 10 cm = 0.1 m, mass = 10 g = 0.01 kg, and time = 0.1 s. Substituting these into F = ma, the unit of force becomes 1 N.

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