Advertisements
Advertisements
प्रश्न
Which of the following remains constant in a uniform circular motion, Speed or Velocity, or both?
Advertisements
उत्तर
In a uniform circular motion, speed remains constant.
संबंधित प्रश्न
A uniform linear motion is unaccelerated, while a uniform circular motion is an accelerated motion.
Name the force required for uniform circular motion. State its direction.
Which of the following graph represents uniform motion of a moving particle?
A particle is moving in uniform circular motion with speed 'V' and radius 'R'. The angular acceleration of the particle is ______.
A particle is perfonning uniform circular motion. If 'θ', 'ω', 'α' and ' a' are its angular displacement, angular velocity, angular acceleration, and centripetal acceleration respectively, then which of the following is 'WRONG'?
A body moving along a circular path of radius R with velocity v, has centripetal acceleration a. If its velocity is made equal to 2v. What will be the centripetal acceleration?
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?
The distance of the Sun from earth is 1.5 × 1011 m and its angular diameter is (2000) s when observed from the earth. The diameter of the Sun will be ______.
A wheel is rotating at 900 rpm about its axis. When the power is cut off it comes to rest in 1 min. The angular retardation (assumed to be uniform (in rad s-1) is ______.
What is the direction of the velocity of an object at any point during uniform circular motion?
