ISRO Mechanical & Aerospace 2025 - Question 73

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Topic: Mechatronics and Robotics

In multibody dynamics simulation, which of the following is typically not considered a rigid body parameter?

  • A. Mass
  • B. Inertia tensor
  • C. Damping coefficient
  • D. Center of gravity

Answer: C. Damping coefficient

Explanation: A rigid body in dynamics is fully characterized by its inertial properties: Mass, Center of Gravity (location), and Inertia tensor (mass distribution). The 'Damping coefficient' is a parameter related to joints, springs, or environmental resistance, not an intrinsic property of a singular rigid body.

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