A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends.The tube is then rotated in a horizontal plane about one of its ends with […]
A round disc of moment of inertia i₂ about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia i₁ rotating with an angular velocity […]
A solid sphere is rotating in free space.If the radius of the sphere is increased keeping mass same which one of the following will not be affected?
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(a) moment of inertia (b) […]
The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down an incline of angle θ without slipping and slipping down the incline without rolling is
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(a) 5 : […]
A thin and circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ?.If another […]
A small object of uniform density rolls up a curved surface with an initial velocity v’.It reaches upto a maximum height of 3v² / 4g with respect to the initial position.The object is
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Initial angular velocity of a circular disc of mass M is 𝜔₁.Then, two small spheres of m are attached gently to two diametrically opposite points on the edge of the disc.What is the final angular […]
When the disc rotates with uniform angulr velocity.Which of the following is not true?
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(a) The sense of rotation remains same (b) the orientattion of theaxis of rotation remainssame (c) the speed […]
A solid sphere, disc and solid cylinder all of the same mass and made up of same material are allowed to roll down (from rest) on inclined plane, then
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(a) solid sphere […]
A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis.A massless string is wound round the cylinder with one end attached to it and other hanging freely.Tension […]
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