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Question 1 A uniform ladder is put leaning against a rough vertical wall (coefficient of friction $0.5$), the bottom of the ladder... Read More

Question 1 $ABC$ is a triangle in which $BC=8″$, $\cos B = \frac{1}{2}$, $\cos C = \frac{11}{14}$. Forces of $3$, $12$, $7$... Read More

Question 1 A mass of $21$ gm. is supported at $O$ by two light strings $OA$, $OB$ which are attached to fixed... Read More

Question 1 A uniform rod $XY$, which weighs $12$ lbs., is supported by two strings $XZ$, $YZ$, attached to a fixed peg... Read More

Question 1 $ABC$ is a triangle in which $BC=5$ cm., $\angle BCA=30^\circ$, and $\cos ABC = \frac{3}{5}$. Forces of $10$, $8$, $6$... Read More

Question 1 If three co-planar non-parallel forces acting on a rigid body are in equilibrium, prove that their lines of action are... Read More

Question 1 A warship is travelling on a course $30^\circ$ East of North. To an observer on a liner travelling due East... Read More

Question 1 $A$ and $D$ are two fixed pegs in the same horizontal line. One end of a light string is attached... Read More

Question 1 $A$ and $B$ are the ends of a uniform bar which is $8$ inches in length and which weighs $5$... Read More