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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

A small pebble tied at one end of a string is placed near the periphery of a circular disc, at the centre of which the other end of the string is tied to a peg. The disc is rotating about an axis passing through its centre.
  1. What will be your observation when you are standing outside the disc? Explain.
  2. What will be your observation when you are standing at the centre of the disc? Explain.

State True or False

The earth moves around the sun with a uniform.


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


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 ______.


The given graph represents motion with ______ speed.


A cyclist starts from centre O of a circular park of radius 1 km and moves along the path OPRQO as shown figure. If he maintains constant speed of 10 ms–1, what is his acceleration at point R in magnitude and direction?


Earth can be thought of as a sphere of radius 6400 km. Any object (or a person) is performing circular motion around the axis of earth due to earth’s rotation (period 1 day). What is acceleration of object on the surface of the earth (at equator) towards its centre? what is it at latitude θ? How does these accelerations compare with g = 9.8 m/s2?


A particle is given an initial speed u inside a smooth spherical shell of radius R = 1 m that it is just able to complete the circle. Acceleration of the particle when its velocity is vertical is ______.


A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is ______.


What is the direction of the velocity of an object at any point during uniform circular motion?


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