Advertisements
Advertisements
Question
Name the force required for uniform circular motion. State its direction.
Advertisements
Solution
Force required for uniform circular motion is the centripetal force. It is directed towards its centre i.e., the centre of the circle.
APPEARS IN
RELATED QUESTIONS
A uniform circular motion is an accelerated motion. Explain it. State whether the acceleration is uniform or variable? Name the force responsible to cause this acceleration. What is the direction of force at any instant? Draw a diagram in support of your answer.
| 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. |
- What will be your observation when you are standing outside the disc? Explain.
- What will be your observation when you are standing at the centre of the disc? Explain.
At any instant, the magnitude of the centripetal force on a particle of mass 'm' performing circular motion is given by (ω = angular velocity and v = linear velocity of the 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 ____________.
Define uniform circular motion and give an example of it. Why is it called accelerated motion?
Angular speed of hour hand of a clock in degree per second is ______.
Explain the meaning of uniform circular motion.
What is the direction of the velocity of an object at any point during uniform circular motion?
In uniform circular motion, although the speed is constant, why does acceleration occur?
By applying Kepler's third law to the formula for centripetal force, Newton concluded that the force acting on a planet is:
