Question

In a system of units the units of mass,length and time are 1 quintal,1 Km and 1 h, respectively. In this system 1 N force will be equal to

• A. 1 units
• B. 129.6 units
• C. 427.6 units
• D. 60 units

Answer 1

The correct option is B 129.6 units

$1kg={10}^{-2}\text{quintal}$

$1m={10}^{-3}km$

$1s={\left(\frac{1}{3600}\right)}^{2}hr$

$1N=\frac{kgm}{s^2}=\frac{{10}^{-2}\times {10}^{-3}}{{\left(\frac{1}{3600}\right)}^2}=129.6unit$

Hence, unit in quintal, kilometer and hours is $129.6unit$