Physics
Grade-9
Easy
Question
A particle is moving in a circle with a uniform speed. Its motion is:
- Periodic but not oscillatory
- Periodic and oscillatory
- A periodic
- None of the above
Hint:
A motion that repeats itself after equal intervals of time is known as periodic motion.
The correct answer is: Periodic but not oscillatory
We can conclude that when a particle is moving in a circle with uniform speed then the motion is periodic but not simple harmonic.
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The oscillations of a simple pendulum of a wall clock are:
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| b. Periodic motion |
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| c. Uniform motion |
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| b. Periodic motion |
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Assertion: All oscillatory motions are necessarily periodic motions, but all periodic motions are not oscillatory.
Reason: Simple pendulum is an example of oscillatory motion.
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