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The hour and minute hands of the clock in the famous Parliament Clock Tower in Lon- don are 1.8 m and 3.3 m long and
The hour and minute hands of the clock in the famous Parliament Clock Tower in Lon- don are 1.8 m and 3.3 m long and have masses of 87 kg and 58 kg , respectively. 11 12 1 10 2 3 8 5 Calculate the magnitude of the torque around the center of the clock due to the weight of these hands indicating 10 h and 16 min; i.e., 10:16 o'clock. Assume the clock hands can be modeled as uniform thin rods and at 3:00 o'clock, the hour hand is precisely 90 from the vertical. The acceleration of gravity is 9.81 m/s2 . Answer in units of N . m. Answer in units of N\\cdot m part 2 of 2 1. clockwise. The torque is 2. counter-clockwise. O 2 Cannot be determined from given informa- tion.A uniform horizontal rod of mm 1.3 kg and length 1.3 m is free to pivot about one end as shown. The moment of inertia of the rod about an axis perpendicular to the rod and through the center of mass is given by If a 5.6 N force at an angle of 69 to the hor- izontal acts on the rod as shown, what is the magnitude of the resulting angular accelera- tion about the pivot point? The acceleration of gravity is 9.8 m/s2 . Answer in units of rad/s2. Answer in units of rad/8'2
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