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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता 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?

पर्याय

MCQ
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उत्तर

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पाठ 2: Motion - Exercise [पृष्ठ २३]

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

संबंधित प्रश्‍न

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 14 revolutions in 25 s, what is the magnitude and direction of acceleration of the stone?


How does uniform circular motion differ from uniform linear motion?


State True or False

The earth moves around the sun with a uniform.


A particle performs uniform circular motion in a horizontal plane. The radius of the circle is 8 cm. The centripetal force acting on the particle is 15 N. Its kinetic energy is ____________.


A particle is moving in uniform circular motion with speed 'V' and radius 'R'. The angular acceleration of the particle is ______.


Consider a simple pendulum of length 4 m. Its bob performs a circular motion in horizontal plane with its string making an angle 60° with the vertical. The Period of rotation of the bob is ____________.(Take g = 10 m/s2)


The angular speed of the minute hand of a clock in degrees per second is ______.


For a particle performing uniform circular motion, choose the correct statement(s) from the following:

  1. Magnitude of particle velocity (speed) remains constant.
  2. Particle velocity remains directed perpendicular to radius vector.
  3. Direction of acceleration keeps changing as particle moves.
  4. Angular momentum is constant in magnitude but direction keeps changing.

The kinetic energy K of a particle moving along a circle of radius R depends on the distance covered s as K = as2, where a is a constant. The force acting on the particle is ______.


Why is uniform circular motion said to be accelerated?


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