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____1.A vault is opened by applying a force of 300 N perpendicular to the plane of the door, 0.80 m from thehinges. Find the torque due to this force about an axis through the hinges.a.120 Nb. 240 Nmc.300 Nd. 360 Nmmm
____2.A 3.0-m rod is pivoted about its left end. A force of 6.0 N is applied perpendicular to the rod at a distance of1.2 m from the pivot causing a ccw torque, and a force of 5.2 N is applied at the end of the rod 3.0 m from thepivot. The 5.2 N is at an angle of 30to the rod and causes a cw torque. What is the net torque about thepivot?mmm
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____3.A bucket filled with water has a mass of 23 kg and is attached to a rope, which in turn, is wound around a0.050-m radius cylinder at the top of a well. What torque does the weight of water and bucket produce on thecylinder if the cylinder is not permitted to rotate? (g= 9.8 m/s2)m