Vertical Circular Motion

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Presentation transcript:

Vertical Circular Motion

Vertical Circular Motion When an object moves in a vertical circle, the centripetal force changes from point to point In this course, you are responsible for calculating various forces at the top and bottom of a circle

Calculating Forces *Think of Fc as Fnet* Remember in Dynamics Fnet = FA – FR where, FA is “apparent weight” or “tension”

Special Case #1 1). MINIMUM SPEED at the top:

SPECIAL CASE #2 2). MAXIMUM SPEED just before the string breaks – bottom of the circle Fc = FA - Fg Lets rearrange to find velocity: Note: FA will be given to you as “apparent weight” or “tension”

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Homework p. 103 #1-9