Monday, January 30, 2012

What is meant by the expression Simple Harmonic Motion?

What is meant by the expression Simple Harmonic Motion?

(a) acceleration is proportional to the distance from a fixed point

(b) velocity is proportional to the distance from a fixed point

(c) a simple pendulum

(d) any motion which is oscillatory

(e) none of the other answers are correct



I thought it was d but not quite sureWhat is meant by the expression Simple Harmonic Motion?(D) is certainly not an answer because mostly all oscillating motion is not simple harmonic. (A) cannot be an answer because the acceleration is not always proportional to the distance from a fixed position. For example, when thinking of a simple pendulum, there are 2 distances away from the fixed position where no acceleration is present (the two end points where they change directions). A simple pendulum (C) is an example of simple harmonic motion, so it is the answer by eliminating the other ones.





CWhat is meant by the expression Simple Harmonic Motion?No, it is A, which includes C

In simple harmonic motion, the further the weight is pulled off the center, the greater the force in proportion to the distance - this might be caused by a spring or gravity

When released F=MA applies so acceleration is proportional ... etc.What is meant by the expression Simple Harmonic Motion?no D is not correct any oscillatory motion isn't simple harmonic.. C is the correct option here :PPP

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