Recent content by ainaz89

  1. A

    How many prime mover is needed to pull the crane with velocity 10m/min?

    RTW69: yes..the acceleration of the crane is 0.017m/s^2.and u can change the parameters into SI unit.as i calculated, the prime mover power is 164120 watts.
  2. A

    How many prime mover is needed to pull the crane with velocity 10m/min?

    Homework Statement prime mover = 220 hp crane = 2000 tonne velocity crane = 10m/min = 0.17m/sec acceleration crane = 0.017m/sec every 100 tonne = 6 tonne of friction 1hp = 726 W 1 tonne = 1000 kg Homework Equations how many prime mover are needed to pull the crane?prime...