deduse the expression for rotational kinetic …
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Posted by Zagwar Insan 4 years, 2 months ago
- 2 answers
Gaurav Seth 4 years, 2 months ago
The expression for rigid body’s “rotational kinetic energy” is
SOLUTION:
A body undergoing a rotational dynamics with angular velocity ω will also poses a translational motion. Let the velocity for translation motion be ‘’v’’.
We know for translational motion the energy poses by body is kinetic and given as
Also we know that for a body obeying rotation
v=rω
Substituting in translation
Also there is a relation for moment of inertia i.e
Substituting we get,
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Jadav Narendra 4 years, 2 months ago
3Thank You