A) \[\frac{1}{2}\]
B) \[\frac{3}{5}\]
C) 1
D) 2
Correct Answer: A
Solution :
\[F\propto xm\times (1-x)m=x{{m}^{2}}(1-x)\] For maximum force \[\frac{dF}{dx}=0\] Þ\[\frac{dF}{dx}={{m}^{2}}-2x{{m}^{2}}=0\,\Rightarrow x=1/2\]
You need to login to perform this action.
You will be redirected in
3 sec
