Question

In ascertain system of units, 1 unit of time is 5 sec, 1 unit of mass is 20 kg and unit of length is 10 m. In this system, one unit of power will correspond to -

• A. 16 watts
• B. $\frac{1}{16}$ watts
• C. 25 watts
• D. None of these

Answer 1

Answer: (A)

16 watts

Answer 2

$\lbrack P\rbrack\ = \text{ M}\text{L}^{2}T^{3}$

\$\text{Unit of P } = \text{ 20 kg } \times \ (\text{10 m})^{2}\ \times \ (\text{5 sec})^{3}\$

= 16 W