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Kinetic Energy of a Rigid Body

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Jul 24, 2020, 6:28:07 PM
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Jun 26, 2014, 5:07:06 AM
KE=mv22+Icω22
Mass
Velocity
Angular Velocity
Mass Moment of Inertia
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b7b9a655-fcef-11e3-b7aa-bc764e2038f2

Kinetic Energy_for a Rigid body

[Engineering | Dynamics | Kinematics]  This is an equation representing the energy possessed by a rigid body in motion. In this formula, KE is a function of mass (m), velocity (v), mass moment of inertial ('Ic') and Angular velocity (ω).

author:  Michael Bartmess

/attachments/b7b9a655-fcef-11e3-b7aa-bc764e2038f2/KineticEnergyofaRigidBody-illustration.png

Notes

The kinetic energy of an object is the energy a body possesses due to its motion. It is defined as the energy acquired as a body accelerates from rest to a specified velocity. A mass maintains its kinetic energy until its velocity changes, for example, when a mass hits another immovable object and comes to a stop, it's kinetic energy is transferred to another form of energy such as heat.

In classical mechanics, the kinetic energy of a non-rotating mass traveling at a speed v is (12)mv2. In relativistic mechanics, this model is only a good approximation when v is much less than the speed of light.


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