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23:56 ค่าถาม 10 ทําแบบทดสอบ The potter press a wet rag against the rim and exert a radially inward force of 70 N. This can stop the wheel from spinning in 6 second. Find the angular acceleration of the wheel when it is slowing down. คําถาม 11 Hint ( ) T = I α 0.3 คะแนน From the above, find the magnitude of the torque that stops the wheel. ? 0.2 คะแนน aan

23:56 ทําแบบทดสอบ คาถาม 12 (Hint: T = r X F ) From the above, find the friction created by the wet rag on the wheel. 0.3 คะแนน คําถาม 13 0.2 คะแนน From the above, find the coefficient of kinetic friction between the wheel? the rag. ออก