Правка раздела «Solution»
en/2.8.16.md
+4 −1
| ### Statement | |||
| $2.8.16.$ One coil of rope is wound on a cylindrical pole. To prevent the rope from sliding | |||
| on the pole when it is pulled by one end with a force of F, it is sufficient to | |||
| hold the other end of the rope with a force of f. How will the holding force | |||
| change if n turns are wound on the pole? The coils of the rope do not touch | |||
| @@ -7,9 +7,12 @@Statement | |||
| each other. | |||
| ### Solution | |||
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| #### Answer | |||
| f=Fe^(2*mu*pi*n) | |||
| ### Statement | ### Statement | ||
| $2.8.16.$ One coil of rope is wound on a cylindrical pole. To prevent the rope from sliding | $2.8.16.$ One coil of rope is wound on a cylindrical pole. To prevent the rope from sliding | ||
| on the pole when it is pulled by one end with a force of F, it is sufficient to | on the pole when it is pulled by one end with a force of F, it is sufficient to | ||
| hold the other end of the rope with a force of f. How will the holding force | hold the other end of the rope with a force of f. How will the holding force | ||
| change if n turns are wound on the pole? The coils of the rope do not touch | change if n turns are wound on the pole? The coils of the rope do not touch | ||
| @@ -7,9 +7,12 @@Statement | |||
| each other. | each other. | ||
| ### Solution | ### Solution | ||
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|  | |||
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|  | |||
| #### Answer | #### Answer | ||
| f=Fe^(2*mu*pi*n) | f=Fe^(2*mu*pi*n) | ||