Question

4. <<Репка>> - русская народная сказка. «Позвала кошка мышку. Мышка за кошку. Кошка за Жучку. Жучка за внучку, Внучка за бабку, Бабка за дедку, Дедка за репку - Тянут - потянут - И вытянули репку». Какие силы действовали на репку? Могла ли мышка оказать существенное влияние на вытягивание репки? Тема: Тепловые явления 5. Волк нашел на реке прорубь, опустил хвост в прорубь, и начал приговаривать. "Ловись рыбка и мала, и велика"... Мерзни-мерзни волчий хвост. Хвост и замерз. Какие виды теплопередачи здесь имели место? (русская народная сказка «Лиса и волк»)

Answer 1

4.сила тяжести репки, сила трения, суммарная сила тяги всех героев. Мышка могла оказать решающую роль в вытягивание репки


5. Замораживание.

Answer 2

The Forces Acting on the Turnip in the Russian Folk Tale "The Turnip"

In the Russian folk tale "The Turnip" («Репка»), various characters come together to help pull out a giant turnip from the ground. The forces acting on the turnip can be understood as a combination of physical forces and the collective effort of the characters involved.

The story goes that the cat called the mouse, the mouse called the dog, the dog called the granddaughter, and so on, until finally, the turnip is pulled out by the combined efforts of all the characters. Each character exerts a force on the turnip, contributing to its eventual extraction.

While the tale does not explicitly mention the specific forces at play, we can infer that the main force acting on the turnip is the force of tension. Tension is the force transmitted through a flexible object when it is pulled from opposite ends. In this case, the characters are pulling the turnip in a coordinated manner, creating tension in the turnip's stem or roots.

It is important to note that the forces described in the folk tale are symbolic representations rather than accurate scientific explanations. The story aims to teach cooperation, teamwork, and the power of collective effort rather than providing a detailed analysis of the physical forces involved.

Could the Mouse Have a Significant Influence on Pulling Out the Turnip?

In the tale, the mouse is the first character to be called upon to help pull out the turnip. While the mouse is small compared to the other characters, its contribution to the overall force exerted on the turnip should not be underestimated.

Even though the mouse's individual force may be relatively small, it can still contribute to the combined force exerted by all the characters. In a situation where multiple forces are acting in the same direction, their magnitudes add up. Therefore, the mouse's force, when combined with the forces of the other characters, can have a significant impact on pulling out the turnip.

The tale emphasizes the importance of every character's contribution, regardless of their size or strength. It teaches the value of unity and cooperation, highlighting that even the smallest efforts can make a difference when combined with the efforts of others.

Heat Transfer in the Russian Folk Tale "The Fox and the Wolf"

In the Russian folk tale "The Fox and the Wolf" («Лиса и волк»), the wolf tries to warm up his frozen tail by placing it in a hole in the ice and reciting a chant. The story mentions the freezing of the wolf's tail, which implies the transfer of heat from the tail to the surrounding environment.

The heat transfer processes involved in this tale can be understood as conduction and convection.

Conduction is the transfer of heat through direct contact between objects or substances. In this case, the wolf's tail is in direct contact with the ice, and heat is conducted from the warmer tail to the colder ice. As a result, the tail loses heat, causing it to freeze.

Convection is the transfer of heat through the movement of a fluid or gas. In the tale, the wolf's tail is exposed to the cold air, which acts as a fluid. As the air moves around the tail, it carries away the heat, further contributing to the freezing of the tail.

The tale illustrates the consequences of heat transfer and the importance of protecting oneself from extreme cold. It serves as a cautionary tale, reminding individuals to take precautions in cold environments to avoid discomfort or harm.