Prove that the rod will be in equilibrium if it makes with the vertical an angle 0 given by the equation cos4 j0 = a/2c where 4 a is the ... to a point in the wall by a fine string of length equal to the side of the square. Find the position of equilibrium and show that it is stable. 18. ... 3h sin 2 a, the equilibrium is unstable, and the position in which the axis is vertical is the only position of equilibrium. Answers 1. a/2.
|Author||:||A.R. Vasishtha, Dr. R. K. Gupta|
|Publisher||:||Krishna Prakashan Media -|