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प्रश्न
Which one of the following is most likely not a case of uniform circular motion?
विकल्प
Motion of the Earth around the Sun.
Motion of a toy train on a circular track.
Motion of a racing car on a circular track.
Motion of hours’ hand on the dial of the clock.
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उत्तर
Motion of the Earth around the Sun.
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संबंधित प्रश्न
Which of the following quantity remains constant in uniform circular motion:
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To which side the rule will tilt if the mass m is moved to the mark 10cm ?
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Define uniform circular motion and give an example of it. Why is it called accelerated motion?
A wet open umbrella is held upright and is rotated about the handle at a uniform rate of 21 revolutions in 44 s. If the rim of the umbrella is a circle of 1 metre in diameter and the height of the rim above the floor is 1.5 m, the drops of water spun off the rim and hit the floor at a horizontal ______ m from the umbrella.
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(g = acceleration due to gravity)
A wheel is Subjected to uniform angular acceleration about its axis. Initially. its angular velocity is zero. In the first 2 s, it rotates through an angle θ1, in the next 2 s, it rotates through an angle θ2. The ratio of `theta_2/theta_1` is ______.
