Question

what is the definition of Rotational dynamic?​

Answer 1

hyy dude

Rotational motion is motion which follows a curved path . Ex : If a rigid body is moved in such a way such that all the particles constituting it undergo circular motion about a common axis then that type of motion is rotational motion .

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Answer 2

Answer

Rotational dynamics is the study of forces and motions about an axis of rotation.

Formulas such as Kinematic Equations and Newton's laws can be expressed in rotating coordinate frames such as:

Newton's 2nd Law

F

net

=

m

x

a

translates into Torque =

I

x

α

Where

I

is Moment of Inertia (the rotational analogous term to mass)

and

α

is angular acceleration