\"Hula-hooping\" while stand on the turntable with your hands on the hips. Rotat
ID: 1262394 • Letter: #
Question
"Hula-hooping" while stand on the turntable with your hands on the hips.
Rotate your hips in a clockwise direction. Explain why when rotating your hips in a clockwise direction, your whole body rotates in a clockwise direction and rotating in a counterclockwise direction, your whole body rotates in a counterclockwise direction. It takes you 11 hip circles to make one revolution clockwise and 16 to make one revolution counterclockwise. What is the total angular momentum of the system (you and the turntable together) about the longitudinal axis during this activity? Does it differ between the clockwise and anti-clockwise hip circles? Explain your answers.
Explanation / Answer
this is due to the system turns around a center point, the center of mass of the hula, and your center of mass do this movement too, clockwise or counterclockwise, there is an angular momentum. if you turn in counterwise with the hula, this one will fall. you transmit rotational energy to the hula, so if you turn in the same direction you will maintain the hula rotating, if you don
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