Chapter 5 – Rotational Motion
Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 5 - Rotational Motion
Consider a uniform square plate of side a mass m. The moment of interia of this plate4 about an axis perpendicular to its plane about an axis perpendicular tp its plane and passing through one of its corner is
08
Feb
Consider a uniform square plate of side a mass m. The moment of interia of this plate4 about an axis perpendicular to its plane about an axis perpendicular tp its plane and passing through one of its corner is Consider a uniform square plate of side a and mass m. The moment of inertia of [...]
Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corner is
29
Nov
Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corner is Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an axis perpendicular [...]
A thin uniform rod of length l and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is ω. Its centre of mass rises to a maximum height of :
29
Nov
A thin uniform rod of length l and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is ω. Its centre of mass rises to a maximum height of : A thin uniform rod of length l and mass m is swinging freely about a horizontal axis [...]
A hoop of radius r and mass m rotating with an angular velocity ω0 is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases to slip?
29
Nov
A hoop of radius r and mass m rotating with an angular velocity ω0 is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases to slip? Distance of the centre of mass of [...]
A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc of reach its other end. During the journey of the insect, the angular speed of the disc:
29
Nov
A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc of reach its other end. During the journey of the insect, the angular speed of the [...]
A mass m supported by a massless string wound around a uniform hollow cylinder of mass m and radius R. If the string does not slip on the cylinder, with what acceleration will the mass fall on release?
29
Nov
A mass m supported by a massless string wound around a uniform hollow cylinder of mass m and radius R. If the string does not slip on the cylinder, with what acceleration will the mass fall on release? A mass m supported by a massless string wound around a uniform hollow cylinder of mass m [...]
Distance of the centre of mass of a solid uniform cone from its vertex is z0 If the radius of its base is R and its height is h, then z0 is equal to
29
Nov
Distance of the centre of mass of a solid uniform cone from its vertex is z0 If the radius of its base is R and its height is h, then z0 is equal to Distance of the centre of mass of a solid uniform cone from its vertex is z0 If the radius of its [...]
A roller is made by joining together two corners at their vertices O, it is kept on two rails AB and CD, which are placed a symmetrically with its axis perpendicular to CD and its center O at the centre of line joining AB and Cd it is given a light push so that it starts rolling with its centre O moving parallel to CD in the direction shown As it moves, the roller will tend to:
29
Nov
A roller is made by joining together two corners at their vertices O, it is kept on two rails AB and CD, which are placed a symmetrically with its axis perpendicular to CD and its center O at the centre of line joining AB and Cd it is given a light push so that it [...]
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A roller is made by joining together two corners at their vertices O ,
each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is? ,
it is kept on two rails AB and CD ,
Seven identical circular planar disks ,
The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What is the ratio l/R such that the moment of inertia is minimum ?
29
Nov
The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What is the ratio l/R such that the moment of inertia is minimum ? The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What [...]
A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the nth power of R. If the period of rotation of the particle is T, then
29
Nov
A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the nth power of R. If the period of rotation of the particle is T, then A particle is moving with a uniform speed in a circular orbit of radius R in a [...]