Chapter 11 – Rotational Mechanics
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In the diagram shown below all three rods are of equal length L and equal mass M. The system is rotated such that rod B is the axis. What is the moment of inertia of the system?
17
Oct
In the diagram shown below all three rods are of equal length L and equal mass M. The system is rotated such that rod B is the axis. What is the moment of inertia of the system? In the diagram shown below all three rods are of equal length L and equal mass M. The [...]
If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 m/s along a straight line on a horizontal floor, the kinetic energy is
17
Oct
If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 m/s along a straight line on a horizontal floor, the kinetic energy is If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 [...]
If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure, then:
17
Oct
If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure, then: If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure [...]
The moment of inertia of a rod about an axis through its centre and perpendicular to it, is 1/2 ML^2 (where, M is the mass and L is length of the rod). The rod is bent in the middle, so that two halves make an angle of 60^∘. The moment of inertia of the bent rod about the same axis would be
17
Oct
The moment of inertia of a rod about an axis through its centre and perpendicular to it, is 1/2 ML^2 (where, M is the mass and L is length of the rod). The rod is bent in the middle, so that two halves make an angle of 60^∘. The moment of inertia of the bent [...]
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is 1/2 ML^2 (where ,
M is the mass and L is length of the rod). The rod is bent in the middle ,
so that two halves make an angle of 60^∘. The moment of inertia of the bent rod about the same axis would be ,
The moment of inertia of a rod about an axis through its centre and perpendicular to it ,
If there is change of angular momentum from J to 4 J in 4 second. Then the torque is
17
Oct
If there is change of angular momentum from J to 4 J in 4 second. Then the torque is If there is change of angular momentum from J to 4 J in 4 second. Then the torque is October 17, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions [...]
A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents the track of its centre of mass?
17
Oct
A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents the track of its centre of mass? A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents the track of its centre of [...]
A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through it centre. At some instant of time a viscous fluid of mass m is dropped at the centre and is allowed to spread out and finally fall. The angular velocity during this period
17
Oct
A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through it centre. At some instant of time a viscous fluid of mass m is dropped at the centre and is allowed to spread out and finally fall. The angular velocity during this period is The moment of inertia of a [...]
A solid sphere is rolling on a frictionless surface, shown in figure with a translational velocity v m/s. If it is to climb the inclined surface then v should be
17
Oct
A solid sphere is rolling on a frictionless surface, shown in figure with a translational velocity v m/s. If it is to climb the inclined surface then v should be A solid sphere is rolling on a frictionless surface shown in figure with a translational velocity v m/s. If it is to climb the inclined [...]
If the earth is treated as a sphere of radius R and mass M, its angular momentum about the axis of its rotation with period T is.
17
Oct
If the earth is treated as a sphere of radius R and mass M, its angular momentum about the axis of its rotation with period T is. If the earth is treated as a sphere of radius R and mass M its angular momentum about the axis of its rotation with period T is. October [...]
Two masses are attached to a rod end to end. If torque is applied, they rotate with angular acceleration α.If their distances are doubled and same torque is applied, then the move with angular acceleration:
17
Oct
Two masses are attached to a rod end to end. If torque is applied, they rotate with angular acceleration α.If their distances are doubled and same torque is applied, then the move with angular acceleration: then the move with angular acceleration: they rotate with angular acceleration α.If their distances are doubled and same torque is [...]