Advertisements
Advertisements
प्रश्न
A particle undergoes uniform circular motion. The angular momentum of the particle remains conserved about, ______
विकल्प
the centre point of the circle
the point on the circumference of the circle
any point inside the circle
any point outside the circle
Advertisements
उत्तर
A particle undergoes uniform circular motion. The angular momentum of the particle remains conserved about, the centre point of the circle.
APPEARS IN
संबंधित प्रश्न
While driving along an unbanked circular road, a two-wheeler rider has to lean with the vertical. Why is it so? With what angle the rider has to lean? Derive the relevant expression. Why such a leaning is not necessary for a four wheeler?
Starting from rest, an object rolls down along an incline that rises by 3 in every 5 (along with it). The object gains a speed of `sqrt 10` m/s as it travels a distance of `5/3` m along the incline. What can be the possible shape/s of the object?
Does the angle of banking depend on the mass of the vehicle?
A hollow sphere has a radius of 6.4 m. what is the minimum velocity required by a motorcyclist at the bottom to complete the circle.
A bend in a level road has a radius of 100m. find the maximum speed which a car turning this bend may have without skidding if the coefficient of friction between the tires and road is 0.8.
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, ______
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along, ______
What are the rotational equivalents for the physical quantities, (i) mass and (ii) force?
A flywheel rotates with uniform angular acceleration. If its angular velocity increases from `20pi` rad/s to `40pi` rad/s in 10 seconds. Find the number of rotations in that period.
A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature to a certain value, its speed of rotation ______.
