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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

Which of the following graph represents uniform motion of a moving particle?

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प्रश्न

Which of the following graph represents uniform motion of a moving particle?

विकल्प

MCQ
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उत्तर

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अध्याय 2: Motion - Exercise [पृष्ठ २३]

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सामाचीर कलवी Science [English] Class 9 TN Board
अध्याय 2 Motion
Exercise | Q I. 3. | पृष्ठ २३

संबंधित प्रश्न

An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity.


Give an example of motion in which speed remains uniform, but the velocity changes.


A uniform linear motion is unaccelerated, while a uniform circular motion is an accelerated motion.


Which of the following quantity remains constant in a uniform circular motion?


Solve the following problem.

A particle moves in a circle with a constant speed of 15 m/s. The radius of the circle is 2 m. Determine the centripetal acceleration of the particle.


A uniform rod of length '6L' and mass '8 m' is pivoted at its centre 'C'. Two masses 'm' and ' 2m' with speed 2v, v as shown strikes the rod and stick to the rod. Initially the rod is at rest. Due to impact, if it rotates with angular velocity 'w1' then 'w' will be ________.


At any instant, the magnitude of the centripetal force on a particle of mass 'm' performing circular motion is given by (ω = angular velocity and v = linear velocity of the particle) ______.


A ball of mass 'm' is attached to the free end of an inextensible string of length 'l'. Let 'T' be the tension in the string. The ball is moving in horizontal circular path about the vertical axis. The angular velocity of the ball at any particular instant will be ______.


A particle moves along a circle of radius r with constant tangential acceleration. If the velocity of the particle is v at the end of second revolution, after the revolution has started, then the tangential acceleration is ______.


In uniform circular motion, although the speed is constant, why does acceleration occur?


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