Правка разделов «Statement», «Solution», «Answer»
en/2.8.40.md
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| ### Statement | |||
| − | $2.8.40.$ The coil hangs on a thread wound along a small radius r of the coil. Along the large radius of the coil | ||
| + | $2.8.40.$ The coil hangs on a thread wound along a small radius r of the coil. Along the large radius of the coil $R$, a thread is also wound, at the end which a load hangs. What is the mass if the load if the system is in equilibrium? Mass of coil is $M$. | ||
| ### Solution | |||
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| #### Answer | |||
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| + | $$m=\frac{r}{R-r}M$$ | ||
| @@ -1,13 +1,11 @@ | |||
| ### Statement | ### Statement | ||
| $2.8.40.$ The coil hangs on a thread wound along a small radius r of the coil. Along the large radius of the coil |
$2.8.40.$ The coil hangs on a thread wound along a small radius r of the coil. Along the large radius of the coil $R$, a thread is also wound, at the end which a load hangs. What is the mass if the load if the system is in equilibrium? Mass of coil is $M$. | ||
| ### Solution | ### Solution | ||
|  | ||
| #### Answer | #### Answer | ||
| $$m=\frac{r}{R-r}M$$ | |||