某同学调节托盘天平平衡时，发现指针停在分度盘的右侧，如图甲所

某同学调节托盘天平平衡时，发现指针停在分度盘的右侧，如图甲所示，要使天平平衡，应将横梁右端的平衡螺母向___________（选填“左”或“右”）移动；当他用天平测物体质量时，发现指针偏向分度盘的右侧，这时应该___________ ，砝码和一个10g砝码，并将游码拨到如图乙所示的位置时，指针恰好静止指在分度盘的中央，则被测物体的质量为__________g。

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