APFIVE Coordinate System for Vertical Circular Motion
A particle of mass m moves in a vertical circle at the end of a string of length L. At the lowest point of the circle, which coordinate system would most simplify the analysis of the tension in the string?
A
Polar with origin at the center of the circle
B
Normal-tangential with acceleration along normal axis
C
Cartesian with x-axis horizontal and y-axis vertical
D
Radial-tangential with acceleration along the radial axis
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