A speed boat makes a complete half circle of 200 m radius, towards left when traveling...

 

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A speed boat makes a complete half circle of 200 m radius, towards left when traveling at 20 m/s. The engine of the boat has a mass of 100 kg with a radius of gyration of rotating parts is 300 mm. The engine runs at 1,000 rpm clockwise when viewed from the rear. Determine the gyroscopic couple on the boat and state its effect on the boat. [94.3 Nm; raise the bow, lower the stern] A speed boat makes a complete half circle of 200 m radius, towards left when traveling at 20 m/s. The engine of the boat has a mass of 100 kg with a radius of gyration of rotating parts is 300 mm. The engine runs at 1,000 rpm clockwise when viewed from the rear. Determine the gyroscopic couple on the boat and state its effect on the boat. [94.3 Nm; raise the bow, lower the stern]