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. Which coordinate system best simplifies the analysis of the string tension when the particle is at the lowest point of the circle?
A
Polar with origin at the center of the circle
B
Cartesian with x-axis horizontal and y-axis vertical
C
Radial-tangential with acceleration along the radial axis
D
Normal-tangential with acceleration along normal axis
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