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Physics 10 Online
OpenStudy (anonymous):

Simple harmonic motion question

OpenStudy (anonymous):

it said that the particles acceleration is proportional to displacement but sign is opposite? What does that mean? I know that the displacement graph looks like this and the acceleration graph looks like this for SHM ....|dw:1441423084425:dw| The textbook also said that acceleration magnitude is zero when displacement is zero (which for velocity is the max) and acceleration is max when particle at the crest or trough (for velocity is 0). Is that what it means by sign is opposite?

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