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A string is wound round the rim of a mounted flywheel of mass 20kg and radius 20cm. A steady pull of 25N is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel is
30
Oct
A string is wound round the rim of a mounted flywheel of mass 20kg and radius 20cm. A steady pull of 25N is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel is A string is wound round the rim of a mounted flywheel of mass 20kg [...]
A constant torque of 31.4 N−m is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/s^2, then the moment of inertia of the wheel is
30
Oct
A constant torque of 31.4 N−m is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/s^2, then the moment of inertia of the wheel is A constant torque of 31.4 N−m is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/s^2 then the moment of inertia of [...]
A hollow cylinder of mass M and radius R is rotating about its axis of symmetry and a solid sphere of same mass and radius is rotating about an axis passing through its centre. If torques of equal magnitude are applied to them, then the ratio of angular accelerations produced is
30
Oct
A hollow cylinder of mass M and radius R is rotating about its axis of symmetry and a solid sphere of same mass and radius is rotating about an axis passing through its centre. If torques of equal magnitude are applied to them, then the ratio of angular accelerations produced is 1) is: A force [...]
If the frequency of the rotating platform is f and the distance of a boy from the centre is r what is the area swept out per second by line connecting the boy to the centre ?
30
Oct
If the frequency of the rotating platform is f and the distance of a boy from the centre is r what is the area swept out per second by line connecting the boy to the centre ? If the frequency of the rotating platform is f and the distance of a boy from the centre [...]
A rope of negligible mass is wound round a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N? Assuming that there is no slipping.
30
Oct
A rope of negligible mass is wound round a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N? Assuming that there is no slipping. 1) is: A force of -F k acts on O the [...]
The equation of SHM of a particle is d^2y/dt^2+ky=0, where k is a positive constant. The time period of motion is
30
Oct
The equation of SHM of a particle is d^2y/dt^2+ky=0, where k is a positive constant. The time period of motion is The equation of SHM of a particle is d^2y/dt^2+ky=0 where k is a positive constant. The time period of motion is October 30, 2020 Category: Cengage NEET by C.P Singh , Chapter 13 - [...]
The moment of inertia of a rod about an axis through its centre and perpendicular to it, is 1/12 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 30^∘. The moment of inertia of the bent rod about the same axis would be
30
Oct
The moment of inertia of a rod about an axis through its centre and perpendicular to it, is 1/12 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 30^∘. The moment of inertia of the bent [...]
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is 1/12 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 30^∘. 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 ,
In the rectangular lamina shown in the figure, AB = BC/2. The moment of inertia of the lamina is minimum along the axis passing through
30
Oct
In the rectangular lamina shown in the figure, AB = BC/2. The moment of inertia of the lamina is minimum along the axis passing through AB = BC/2. The moment of inertia of the lamina is minimum along the axis passing through In the rectangular lamina shown in the figure October 30, 2020 Category: Chapter [...]
A particle is vibrating in SHM. If its velocities are v1 and v2 when the displacements from the mean position are y1 and y2, respectively, then its time period is
30
Oct
A particle is vibrating in SHM. If its velocities are v1 and v2 when the displacements from the mean position are y1 and y2, respectively, then its time period is A particle is vibrating in SHM. If its velocities are v1 and v2 when the displacements from the mean position are y1 and y2 respectively [...]
A body of mass 5g is executing SHM with amplitude 10cm, its velocity is 100cm/s. Its velocity will be 50cm/s at a displacement from the mean position equal to
30
Oct
A body of mass 5g is executing SHM with amplitude 10cm, its velocity is 100cm/s. Its velocity will be 50cm/s at a displacement from the mean position equal to A body of mass 5g is executing SHM with amplitude 10cm its velocity is 100cm/s. Its velocity will be 50cm/s at a displacement from the mean [...]