physics

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Which of the following statements is not true about a particle executing Simple Harmonic Motion?
Choose one answer.
a. Its velocity is maximum at the equilibrium position.
b. Its acceleration depends only upon its displacement at that instant.
c. Its velocity is zero at the equilibrium position.
d. Its velocity is zero at the extreme positions.

  • physics -

    what do you think?

  • physics -

    sorry b.

  • physics -

    b? Hmmmm. acceleration= force/mass, and that is equal to kx/mass

    so acceration depends on x

  • physics -

    then its d

  • physics -

    Hmmmm. At the extreme positions, velocity is zero, it changes directions, the question asked which is not true. Are you guessing or thinking?

  • physics -

    A then ... guessing i don't understand this stuff at all -_-

  • physics -

    WEll, you missed it three out of three, and your first guess was right. The velocity is NOT zero at the equilbrium position, it is maximum there.

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