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  1. C

    Pendulum problem homework

    Homework Statement A pendulum has a mass of 7.5 kg with a center of mass at G (radius=250mm) and hass a radius of gyration about the pivot O of 295 mm. If the pendulum is released from rest at theta=0º, determine the total force supported by the bearing at the instant when theta=60º. Friction...
  2. C

    Pulley system Homework

    Homework Statement a 250 pound mass, is released in rest (hanging at 20 ft) and pulls a 400 pound mass up a ramp with a 30º angle, the coefficient of friction between the 400 pound mass and the ramp is 0.5. Determine the velocity as the 250 pound mass hits the ground Homework Equations...