Advertisements
Advertisements
प्रश्न
Explain the meaning of uniform circular motion. Give one example of such motion.
Advertisements
उत्तर
When a particle moves with a constant speed in a circular path, its motion is said to be the uniform circular motion. For example Revolution of earth around the sun is an example of uniform circular motion.
संबंधित प्रश्न
Draw a neat labelled diagram of conical pendulum. State the expression for its periodic time in terms of length.
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)`.
- At what time is the x-coordinate of the particle 16 m? What is the y-coordinate of the particle at that time?
- What is the speed of the particle at the time?
A cyclist is riding with a speed of 27 km/h. As he approaches a circular turn on the road of radius 80 m, he applies brakes and reduces his speed at the constant rate of 0.50 m/s every second. What is the magnitude and direction of the net acceleration of the cyclist on the circular turn?
Is it possible to have an accelerated motion with a constant speed? Name such type of motion.
A uniform linear motion is unaccelerated, while a uniform circular motion is an accelerated motion.
What is a conical pendulum?
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?
In uniform motion, an object travels equal ______ in ______ interval of time.
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?
