Simple harmonic motion homework

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A small creature moving with constant speed in a vertical circle creates a shadow on a horizontal plane. If the sun is directly overhead, the shadow will trace a path that reflects the creature's circular motion. This shadow movement can be analyzed in terms of simple harmonic motion, as it oscillates back and forth along one axis. The term "vertical circle" refers to a circle oriented perpendicular to the Earth's surface. Understanding these concepts helps clarify the relationship between circular motion and harmonic motion.
divyaushadam
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a small creature moves with a constant speed in a vertical circle on a bright day.does its shadow formed by the sun on a hortizantal plane move in simple harmonic motion
 
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What exactly is a "vertical circle?"

cookiemonster
 
probably a circle drawn in a plane perpendicular to Earth...
 
Assuming the sun is directly above the creature, then yes, since the shadow would outline the creature's circular motion in only one of the axes.

http://www.phy.ntnu.edu.tw/java/shm/shm.html
 
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