Examples of rigid body in the following topics:
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- The center of mass for a rigid body can be expressed as a triple integral.
- In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid.
- The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe.
- In the case of a distribution of separate bodies, such as the planets of the Solar System, the center of mass may not correspond to the position of any individual member of the system.
- Two bodies orbiting around the center of mass inside one body
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- For example, in physics, the derivative of the displacement of a moving body with respect to time is the velocity of the body, and the derivative of velocity with respect to time is acceleration.
- Newton's second law of motion states that the derivative of the momentum of a body equals the force applied to the body.
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- Two bodies orbiting the COM located inside one body.
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- For example, the gravitational field vectors for a spherically symmetric body would all point towards the sphere's center, with the magnitude of the vectors reducing as radial distance from the body increases.
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- The human body is made up of several processes, all carrying out various functions, one of which is the continuous running of blood in the cardiovascular system.
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- The rectangular region at the bottom of the body is the domain of integration, while the surface is the graph of the two-variable function to be integrated.
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- where $T$ is the period, $G$ is the gravitational constant, and $R$ is the distance between the center of mass of the two bodies.