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Which of the following refers to the collection of particles, whose relative distances are constant?

Which of the following refers to the collection of particles, whose relative distances are constant? Correct Answer Rigid Body

Explanation:

Rigid Body:

  • A rigid body is an idealization of a body that does not deform or change shape. Formally it is defined as a collection of particles with the property that the distance between particles remains unchanged during the course of motions of the body.

Flexible body: 

  • A flexible body is a body in which the distance between the two points on the body may change.
  • It can deform under the action of the applied force.
  • In actual practice, all bodies are flexible bodies.

Stationary Body:

  • The body is in rest condition is known as a stationary body.

Fixed Body: 

  • Those which can not be volatilized or separated by a common menstruum, without great difficulty, as gold, platinum, lime, etc.

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