Chapter 9 – Rotation
A T joint is formed by two identical rods A & B each of mass m & length L in the XY plane as shown. Its moment of inertia about axis coinciding with A is
30
Oct
A T joint is formed by two identical rods A & B each of mass m & length L in the XY plane as shown. Its moment of inertia about axis coinciding with A is A T joint is formed by two identical rods A & B each of mass m & length L in [...]
From a circular ring of mass M and radius R, an arc corresponding to a 90^∘ sector is removed. The moment of inertia of the remaining part of the ring about an axis passing through the centre of the ring and perpendicular to the plane of the ring is k times MR^2. Then the value of k is
30
Oct
From a circular ring of mass M and radius R, an arc corresponding to a 90^∘ sector is removed. The moment of inertia of the remaining part of the ring about an axis passing through the centre of the ring and perpendicular to the plane of the ring is k times MR^2. Then the value [...]
The moment of inertia of a flywheel having kinetic energy 360 j and angular speed of 20 rad/s is
30
Oct
The moment of inertia of a flywheel having kinetic energy 360 j and angular speed of 20 rad/s is The moment of inertia of a flywheel having kinetic energy 360 j and angular speed of 20 rad/s is October 30, 2020 Category: Chapter 9 - Rotation , MTG NEET Physics , Part 1 ,
A solid cylinder of mass 20 Kg has length 1m and radius 0.2m. Then its moment of inertia (in kg−m^2 ) about its geometrical axis is-
30
Oct
A solid cylinder of mass 20 Kg has length 1m and radius 0.2m. Then its moment of inertia (in kg−m^2 ) about its geometrical axis is- A solid cylinder of mass 20 Kg has length 1m and radius 0.2m. Then its moment of inertia (in kg−m^2 ) about its geometrical axis is- October 30, 2020 [...]
A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is
30
Oct
A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is October [...]
A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is
30
Oct
A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is October 30, 2020 [...]
A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ?
30
Oct
A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ? A coin of mass m and radius r [...]
One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that where dA and dB are their densities.
30
Oct
One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that where dA and dB are their densities. 1) is: A force of -F k acts on O the origin of the coordinate system. The [...]
The moment of inertia of a body about a given axis is 1.2kgm^2. Initially, the body is at rest. In order to produce a rotational KE of 6000j, for how much duration, an acceleration of 25rads^−2 must be applied about that axis for a duration of ?
30
Oct
The moment of inertia of a body about a given axis is 1.2kgm^2. Initially, the body is at rest. In order to produce a rotational KE of 6000j, for how much duration, an acceleration of 25rads^−2 must be applied about that axis for a duration of ? an acceleration of 25rads^−2 must be applied about [...]
Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio
30
Oct
Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio October 30, 2020 [...]