Consider the shaded area in (Figure 1). Suppose that a = 9 in., b = 5 in. Figure b H a a a < 1 of 1 > ▼ Part A Determine the moment of inertia of the area about the y axis. Express your answer in inches to the fourth power to three significant figures. [VD ΑΣΦΠ vec 6 Iy-10952 Submit → Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining < Return to Assignment Provide Feedback ?
Rigid Body
A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.
Rigid Body Dynamics
Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).
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