如图所示是某同学在测量滑轮组机械效率的实验，测得的数据如表：物理量次数钩码总量G/N钩码上升的高度h/m测力计示数F/N测力计移动距离s/m机械效率η140.11.40.557%240.21.41.0_刷题宝

题干

如图所示是某同学在测量滑轮组机械效率的实验，测得的数据如表：

物理量次数	钩码总量 G/N	钩码上升的高度h/m	测力计示数 F/N	测力计移动距离s/m	机械效率η
1	4	0.1	1.4	0.5	57%
2	4	0.2	1.4	1.0	57%
3	4	0.1	1.8	0.3	74%
4	6	0.1	2.4	0.3

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