Home
Class 11
PHYSICS
A weighlifter's barbell consists of two ...

A weighlifter's barbell consists of two heavy discs of mass `m` and radius `R` connected by as light rod of lenth `l gt gt R`. Estimate its moment of inertia about an axis `A` through its `CM` and perpendicular to the rod. Determine its kinetic energy.

Promotional Banner

Topper's Solved these Questions

  • RIGID BODY MOTION

    ANURAG MISHRA|Exercise SCQ_TYPE|83 Videos

  • RIGID BODY MOTION

    ANURAG MISHRA|Exercise MCQ_TYPE|41 Videos

  • IMPULSE AND MOMENTUM

    ANURAG MISHRA|Exercise matching|3 Videos

  • UNIT AND DIMENSIONS

    ANURAG MISHRA|Exercise Matching Type Problem|4 Videos

Similar Questions

Explore conceptually related problems

A rod of length 2 m, has a mass of 0.12 kg. Its moment of inertia about an axis passing through its one end and perpendicular to the length of the rod is

A disc of mass m and radius R has a concentric hole of radius r . Its moment of inertia about an axis through its center and perpendicular to its plane is

A disc of radius R has a concentric hole of radius R /2 and its mass is M. Its moment of inertia about an axis through its centre and perpendicular to its plane, is

Two point masses m_(1) and m_(2) are joined by a weightless rod of length r . Calculate the moment of inerrtia of the system about an axis passing through its centre of mass and perpendicular to the rod.

Two spheres each of mass M and radius R//2 are connected with a massless rod of length R . Find the moment of inertia of the system about an axis passing through the centre of one of the sphere and perpendicular to the rod

Two spheres each mass M and radius R are connected with massless rod of length 2R . Then moment of inertia of the system about an axis passing through the centre of one of sphere and perpendicular to the rod will be

Two point masses m and 4m are connected by a light rigid rod of length l at the opposite ends. Moment of inertia of the system about an axis perpendicular to the length and passing through the centre of mass is

A semicircular lamina of mass m and radius 'r' and centre C . Its center of mass is at a distance 'x' from C . Its moment of inertia about an axis through its center of mass and perpendicular to its plane is:

The diagram shows a uniform disc of mass M & radius ' a ', if the moment of inertia of the disc about the axis XY is I , its moment of inertia about an axis through O and perpendicular to the plane of the disc is

A thin disc of mass M and radius R has mass per unit area sigma( r) =kx^(2) where r is the distance from its centre. Its moment of inertia about an axis going through its centre of mass and perpendicular to its plane is: