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
Name the force required for uniform circular motion. State its direction.
Which of the following graph represents uniform motion of a moving particle?
Two particles P and Q are moving in concentric circles of rarui rp and rQ respectively. If their period of revolutions are in ratio 2 : 3, then ratio of their centripetal acceleration is ____________.
The motion of the bus is ______ motion.
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 ______.
If a body is moving in a circle of radius r with a constant speed v, its angular velocity is ______.
Earth also moves in circular orbit around sun once every year with on orbital radius of 1.5 × 1011 m. What is the acceleration of earth (or any object on the surface of the earth) towards the centre of the sun? How does this acceleration 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 horizontal circular platform of mass M is rotating at angular velocity ω about a vertical axis passing through its centre. A boy of mass m is standing at the edge of the platform. If the boy comes to the centre of the platform, then the new angular velocity becomes ______.
The acceleration of a point on the rim of a flywheel 1 m in diameter, if it makes 1200 rpm is ______.
