The propeller of a World War II fighter plane is 2.01 m in diameter.   (a)What is its angular velocity in radians per second if it spins at 1000 rev/min? (Answer in rad/s)     (b)What is the linear speed (in m/s) of its tip at this angular velocity if the plane is stationary on the tarmac? (Answer in m/s)     (c)What is the centripetal acceleration of the propeller tip under these conditions? Calculate it in meters per second squared and convert to multiples of g.   - centripetal acceleration in m/s2 - centripetal acceleration in g

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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).