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प्रश्न
Which of the following example represent periodic motion?
A freely suspended bar magnet displaced from its N-S direction and released.
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उत्तर
The motion of a freely-suspended magnet, if displaced from its N-S direction and released, is periodic. This is because the magnet oscillates about its position with a definite period of time.
संबंधित प्रश्न
A seconds pendulum is suspended in an elevator moving with constant speed in downward direction. The periodic time (T) of that pendulum is _______.
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The total mechanical energy of a spring-mass system in simple harmonic motion is \[E = \frac{1}{2}m \omega^2 A^2 .\] Suppose the oscillating particle is replaced by another particle of double the mass while the amplitude A remains the same. The new mechanical energy will
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A swimmer completing one (return) trip from one bank of a river to the other and back.
Which of the following example represent periodic motion?
A hydrogen molecule rotating about its center of mass.
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- The acceleration is maximum at `t = (4T)/4`.
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- Will there be any change in weight of the body, during the oscillation?
- If answer to part (a) is yes, what will be the maximum and minimum reading in the machine and at which position?
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