**Explaining Rotational Motion and Newton's Third Law**Explore how certain types of rotational motion, such as orbital motion, rely on Newton’s third law to maintain balance. Use examples and diagrams to provide detailed explanations.Newton's third law states that for every action, there is an equal and opposite reaction. This principle plays a crucial role in rotational motion. **Example: Orbital Motion**- In orbital motion, an object is constantly falling towards a planet due to gravitational pull. However, because of its tangential velocity, it keeps missing the planet, maintaining its orbit.- **Diagram Explanation**: Diagrams can illustrate how the gravitational force (action) is met with the acceleration that keeps the object in orbit (reaction), with resulting forces shown as vectors.Understanding these concepts helps explain celestial mechanics and satellite technologies, providing a foundation for physics students to grasp the intricate balance of forces in our universe.

Newton's third law states that for every action there is an equal and opposite reaction.Consider an example of a satellite orbiting a planet. The gravitational force exerted by the planet on the satellite provides the necessary centripetal force required for rotation of the satellite. When the planet exerts gravitational force on the satellite the satellite exerts an equal and opposite gravitational force on the planet (for every action there is a reaction).The direction of gravitational force exerted by the satellite on the planet and the direction of gravitational force exerted by the planet on the satellite are shown below. In the above example, since the satellite is relatively very small when compared to the size of the planet, the effect of gravitational force exerted by the planet on the satellite is high due that the satellite rotates about the planet.On the other hand, the effect of gravitational force, exerted by the satellite on the planet is insignificant because the magnitude of this force is very small when compared to the size of the planet to effect its state of motion. Since there is no change in the state of motion of the planet, there won't be any change in orbit of the planet and this combination of forces maintains a balance.In the "planet and satellite" example, (The force exerted by the satellite on the planet) = (The force exerted by the planet on the satellite.)We generally call the above force as, the gravitational force of attraction between the satellite and the planet.

Answered: Explain how certain types of rotational…

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Explain how certain types of rotational motion, such as orbital motion, rely on Newton's third law; in maintaining balance. Use examples and diagrams, and give detailed explanations.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

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**Explaining Rotational Motion and Newton's Third Law**

Explore how certain types of rotational motion, such as orbital motion, rely on Newton’s third law to maintain balance. Use examples and diagrams to provide detailed explanations.

Newton's third law states that for every action, there is an equal and opposite reaction. This principle plays a crucial role in rotational motion.

**Example: Orbital Motion**
- In orbital motion, an object is constantly falling towards a planet due to gravitational pull. However, because of its tangential velocity, it keeps missing the planet, maintaining its orbit.
- **Diagram Explanation**: Diagrams can illustrate how the gravitational force (action) is met with the acceleration that keeps the object in orbit (reaction), with resulting forces shown as vectors.

Understanding these concepts helps explain celestial mechanics and satellite technologies, providing a foundation for physics students to grasp the intricate balance of forces in our universe.

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