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12.5 Mobile with polar circular movement ¶

Mobile with circular motion described by polar coordinates. A positive value to tangential velocity, mean that the mobile tour in the opposite sense of clockwise. And a positive value to radial velocity, indicates that the mobile moves away from the center of rotation. Allows only one force (not friction), that represent a radial force.

Equations:	1 if there is present a force, in other case 0.
Data:
Name:	Object name.
m:	Mass.
vt:	Tangential velocity of the mobile.
r:	Turning radius.
y:	Y coordinate of the mobile.
vr:	Radial velocity of the mobile. If this data is unknown, the result will be the positive value.
ar:	Radial acceleration of the mobile. If this data is unknown, the result will be the positive value.