हिंदी

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

Advertisements
Advertisements

प्रश्न

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

विकल्प

  • Velocity  

  • speed

  • acceleration

  • Both velocity and speed

  • None of these

MCQ
Advertisements

उत्तर

Speed

Explanation:

In uniform circular motion, the direction changes continuously (so velocity and acceleration change), but the magnitude of velocity (speed) remains constant.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Force, Work, Energy and Power - Exercise 1.2 [पृष्ठ १७]

APPEARS IN

फ्रैंक Physics Part 2 [English] Class 10 ICSE
अध्याय 1 Force, Work, Energy and Power
Exercise 1.2 | Q 8 | पृष्ठ १७
सेलिना Concise Physics [English] Class 10 ICSE
अध्याय 1 Force
EXERCISE - 1 (C) | Q 1. | पृष्ठ १८
लखमीर सिंग Physics [English] Class 10 ICSE
अध्याय 1 Force
EXERCISE | Q 3. | पृष्ठ १५

संबंधित प्रश्न

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


Differentiate between uniform linear motion and uniform circular motion.


Define Uniform circular motion.


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 ________.


A disc has mass 'M' and radius 'R'. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity 'ω' in time t?


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)


A string of length 'l' fixed at one end carries a mass 'm' at the other end. The string makes `3/pi` revolutions/second around the vertical axis through the fixed end as shown in figure. The tension 'T' in the string is ______.


A body moves in a uniform circular motion ______.


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


A wet open umbrella is held upright and is rotated about the handle at a uniform rate of 21 revolutions in 44 s. If the rim of the umbrella is a circle of 1 metre in diameter and the height of the rim above the floor is 1.5 m, the drops of water spun off the rim and hit the floor at a horizontal ______ m from the umbrella.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×