मराठी

Why is uniform circular motion said to be accelerated?

Advertisements
Advertisements

प्रश्न

Why is uniform circular motion said to be accelerated?

थोडक्यात उत्तर
Advertisements

उत्तर

A body travelling in a circular path with a constant speed is said to be moving at an accelerated rate, since the velocity changes as the direction changes.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Force - EXERCISE - 1 (C) [पृष्ठ १८]

APPEARS IN

सेलिना Concise Physics [English] Class 10 ICSE
पाठ 1 Force
EXERCISE - 1 (C) | Q 1. (b) | पृष्ठ १८

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?


A particle starts from the origin at t = 0 s with a velocity of 10.0 `hatj "m/s"` and moves in the x-y plane with a constant acceleration of `(8.0 hati + 2.0 hatj) ms^(-2)`.

  1. At what time is the x-coordinate of the particle 16 m? What is the y-coordinate of the particle at that time?
  2. What is the speed of the particle at the time?

Is it possible to have an accelerated motion with a constant speed? Explain


Earth moves around the sun with uniform velocity.


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.

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


The angle subtended by the vector A = `5hat"i" + 3hat"j" + 12hat"k"` with the X-axis is ______.


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


A flywheel at rest is to reach an angular velocity of 24 rad/s in 8 second with constant angular acceleration. The total angle turned through during this interval 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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×