हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

What is meant by uniform circular motion? Give two examples of uniform circular motion.

Advertisements
Advertisements

प्रश्न

What is meant by uniform circular motion? Give two examples of uniform circular motion.

टिप्पणी लिखिए
Advertisements

उत्तर

When an object moves with constant speed along a circular path, the motion is called uniform circular motion.
Ex. (i) Revolution of Earth around the Sun
(ii) Revolution of Moon around the Earth.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Motion - Exercise [पृष्ठ २४]

APPEARS IN

सामाचीर कलवी Science [English] Class 9 TN Board
अध्याय 2 Motion
Exercise | Q VI. 7. | पृष्ठ २४

संबंधित प्रश्न

Read the statement below carefully and state, with reason, if it is true or false:

The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point.


Why is the motion of a body moving with a constant speed around a circular path said to be accelerated?


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


A mass 'm' is tied to one end of a spring and whirled in a horizontal circle with constant angular velocity. The elongation in the spring is 1 cm. If the angular speed is doubled, the elongation in the spring is 6 cm. The original length of the spring is ______.


Define uniform circular motion and give an example of it. Why is it called accelerated motion?


If a body is moving in a circle of radius r with a constant speed v, its angular velocity is ______.


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 wheel rotating at the same angular speed undergoes constant angular retardation. After the revolution, angular velocity reduces to half its initial value. It will make ______ revolution before stopping.


Why is uniform circular motion said to be accelerated?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×