Правка разделов «Statement», «Answer»
en/2.8.16.md
+6 −2
| @@ -1,11 +1,15 @@ | |||
| ### Statement | |||
| − | $2.8.16.$ | ||
| + | $2.8.16.$ 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 | ||
| + | each other. | ||
| ### Solution | |||
| #### Answer | |||
| − | [Insert a concise answer or boxed result] | ||
| + | f=Fe^(2*mu*pi*n) | ||
| @@ -1,11 +1,15 @@ | |||
| ### Statement | ### Statement | ||
| $2.8.16.$ |
$2.8.16.$ 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 | |||
| each other. | |||
| ### Solution | ### Solution | ||
| #### Answer | #### Answer | ||
| [Insert a concise answer or boxed result] | f=Fe^(2*mu*pi*n) | ||