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admin 发表于 2024-10-13 22:11:06 | 显示全部楼层 |阅读模式
本题目来源于试卷: newnewnewnew,类别为 IB物理学

[问答题]
Figure 4-49 shows a pm n6q)e1+v wbblo)eej6vs 1 r.m sq;spg0nc .i)uck (mass $ m_{1}$ ) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to a second block $\left(m_{2}\right)$ , which hangs vertically. (a) Draw a free-body diagram for each block, showing the force of gravity on each, the force (tension) exerted by the cord, and any normal force. (b) Apply Newton's second law to find formulas for the acceleration of the system and for the tension in the cord. Ignore friction and the masses of the pulley and cord.





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