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Question: canifigure shows a system with two weights on a rotating...

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SULIT ENT 34N PART B-Answer ONE (1) question. BAHAGIAN B Jawab SATU () soalan) Question 4 Soalan 41 (a) With the aid of suitable equation, describe the definition of static and dynamic balance in rotating elements. [Dengan bantuan unsur berputar J persamaan semacal, huraikan takrif keseimbangan statik dan dinamik dalam (5 Marks/ Markah) (b) Figure 4 shows a system with two weights on a rotating shaft. The given parameters for this system are: W 50 kg for 75 at a 76.2 mm radius and W- 65 kg for 220 at a 76.2 mm radius Gambarajah 4 memunjukkan satu sistem dengan dua berat pada ací yang berputar, Parameter yang diberikan untuk sistem ini adalah: W 50 kg untuk 75 pada jejari 76,2 mm dan W - 65 kg untuk 220 pada jejari 76.2 mm. (i) Determine the magnitudes and angles of the balance weights needed to dynamically balance the system. [Tentukan magnitud dan sudut imbangan berat yang diperlukan untuk mengimbangi sistem secara dinamik/ (14 Marks/ Markah) Determine angular velocity to reduce the shaking forces and shaking moment if rotation is unbalanced (Tentukan halaju sudur untuk mengurangkan daya-daya gegaran dan momen gegaran (ii) jika putaran tídak seimbang ) (6 Marks/ Markah) 76.2 Wi 101.6 W2 127 mm Figure 4 Gambarajah 41 8/CaniFigure shows a system with two weights on a rotating shaft. The given parameters for this system are: W1 50 kg for 75 at a 76.2 mm radius and W2 65 kg for 220 at a 76.2 mm radius Determine angular velocity to reduce the shaking forces and shaking moment if rotation

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