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Note: For all problems, solution approach must be given. Refer the data sheet for the values of variables) r mm Q1) Mass of wheel A is 4 kg and is fitted on the arm AO which has a mass of 3kg. The mass centre of the arm is G. Radius of gyration of the arm about O is 0.35 m. The assembly is released from rest in the horizontal position and the wheel A rolls without slipping. a) Find the velocity of the center of wheel A when it reaches A. Clearly state any assumptions used. b) If the wheel A is replaced with a disc of same mass and radius, how does it affect the solution? Explain clearly. c) Discuss the effects of the following on the velocity of mass center of A i) Increasing the mass of OA il) Increasing the mass of wheel A 30 i mm 15 mm a= 797.5 mm
r= 735.5 mm
b= 1476 mm
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Answer #1

イヤ 476 mm 3S.Sm ovg = -23.4フ丁 VA , 1.47 6 2. 0 735 2. Ya = 4.463 m)s 6 73S 5. 136 m S

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