HW-CH129th Edition CH12 Problems: 3, 25, 45, 818th Edition CH12 Problems: 5, 21, 47, 833.In Fig. 12-26, a uniform sphere of mass m = 0.85kg and radius r = 4.2 cm is held in place by amassless rope attached to a frictionless wall a dis-tance L=8.0 cm above the center of the sphere.Find (a) the tension in the rope and (b) the forceon the sphere from the wall.25.In Fig.12-37, what magnitude of (constant) force~Fapplied horizontally at the axle of the wheelis necessary to raise the wheel over an obstacleof heighth= 3:00cm? The wheel°s radius is r =6.00 cm, and its mass ism= 0:800kg.45.In Fig. 12-57, a lead brick rests horizontally oncylinders A and B. The areas of the top facesof the cylinders are related byAA= 2AB; theYoung°s moduli of the cylinders are related by
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