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Q1. A wooden rod of negligible mass and length 82.2 is pivoted about a horizontal axis through its center. A white rat with mass 0.440 clings to one end of the stick, and the mouse with mass 0.220 clings to the other end. The system is released from rest with the rod horizontal.

Q2. Blocks A, B, and C are placed and connected by ropes of negligible mass. Both A and B weigh 27.6 N each, and coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. Find out the tension in rope connecting blocks A and B. What is the weight of block C? If the rope connecting A and B were cut, what will be the acceleration of C?

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