Advertisements
Advertisements
प्रश्न
What are the rotational equivalents for the physical quantities, (i) mass and (ii) force?
Advertisements
उत्तर
The rotational equivalents for (i) mass and (ii) force are a moment of inertia and torque respectively.
APPEARS IN
संबंधित प्रश्न
Do we need a banked road for a two-wheeler? Explain.
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?
A big dumb-bell is prepared by using a uniform rod of mass 60 g and length 20 cm. Two identical solid spheres of mass 25 g and radius 10 cm each are at the two ends of the rod. Calculate the moment of inertia of the dumb-bell when rotated about an axis passing through its centre and perpendicular to the length.
Does the angle of banking depend on the mass of the vehicle?
During ice ballet, while in the outer rounds, why do the dancers outstretch their arms and legs.
A body weighing 0.5 kg tied to a string is projected with a velocity of 10 m/s. The body starts whirling in a vertical circle. If the radius of the circle is 0.8 m, find the tension in the string when the body is at the top of the circle.
Derive an expression for the kinetic energy of a rotating body with uniform angular velocity.
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, ______
Discuss conservation of angular momentum with example.
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 ______.
