JEE Main & Advanced
Physics
Wave Mechanics
Question Bank
Self Evaluation Test - Mechanical Properties of Solids
question_answer
A square frame of ABCD consisting of five steel bars of cross section area 400 \[m{{m}^{2}}\] and joined by pivot is subjected to action of two forces \[P=40\text{ }kN\]in the direction of the diagonal as shown. Find change in angle at A if Young's modulus \[Y=2\times {{10}^{5}}N/\min \]