Chapter 11 – Rotational Mechanics

The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is October 18, 2020 [...]

If 2kg mass is rotating on a circular path of radius 0.8m with angular velocity of 44 rad/sec. If radius of the path becomes 1m then what will be the value of angular velocity? If 2kg mass is rotating on a circular path of radius 0.8m with angular velocity of 44 rad/sec. If radius of [...]

A disc of radius 5 m is rotating with angular frequency 10 rad/sec. A block of mass 3 kg is to be put on the disc friction coefficient between disc and block is μK=0.3, then find the maximum distance from axis where the block can be placed without sliding. A disc of radius 5 m [...]

Given, ω = 2k and vector r = 2i + 2j. Find the linear velocity. Given ω = 2k and vector r = 2i + 2j. Find the linear velocity. October 18, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 11 - Rotational Mechanics , Physics [...]

Given V CM = 2 m/s, m = 2 kg, R = 4 m Find angular momentum of ring about origin if it is in pure rolling. Given V CM = 2 m/s m = 2 kg R = 4 m Find angular momentum of ring about origin if it is in pure rolling. October [...]

What is the moment of inertia for a solid sphere w.r.t. a tangent touching to its surface? What is the moment of inertia for a solid sphere w.r.t. a tangent touching to its surface? October 17, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 11 - [...]

A disc of radius 20cm and mass half kg is rolling on an inclined plane. Find out friction force so that disc performs pure rolling. A disc of radius 20cm and mass half kg is rolling on an inclined plane. Find out friction force so that disc performs pure rolling. October 17, 2020 Category: AIIMS [...]

Four holes of radius R are cut from a thin square plate of side 4R and mass M. The moment of inertia of the remaining portion about z-axis is Four holes of radius R are cut from a thin square plate of side 4R and mass M. The moment of inertia of the remaining portion [...]

A thin wire of mass M and length L is bent to from a circular ring. The moment of inertia of this ring about its axis is : A thin wire of mass M and length L is bent to from a circular ring. The moment of inertia of this ring about its axis is [...]

Side of an equilateral triangle is l. Three point masses, each of magnitude m, are placed at the three vertices of the triangle. Moment of inertia of this system about one side of the triangle as axis is given by are placed at the three vertices of the triangle. Moment of inertia of this system [...]