Cengage JEE Mains Physics by B.M Sharma
A small bead of mass m moving with velocity v gets threaded on a stationary semicircular ring of mass m and radius R kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system?
27
Nov
A small bead of mass m moving with velocity v gets threaded on a stationary semicircular ring of mass m and radius R kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system? [...]
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then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A sphere is rolling down an inclined plane without slipping. The ratio of rotational energy to total kinetic energy is
27
Nov
A sphere is rolling down an inclined plane without slipping. The ratio of rotational energy to total kinetic energy is A sphere is rolling down an inclined plane without slipping. The ratio of rotational energy to total kinetic energy is November 27, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 9 - [...]
A small solid sphere of radius r rolls down an incline without slipping which ends into a vertical loop of radius R. Find the height above the base so that it just loops the loop
27
Nov
A small solid sphere of radius r rolls down an incline without slipping which ends into a vertical loop of radius R. Find the height above the base so that it just loops the loop A small solid sphere of radius r rolls down an incline without slipping which ends into a vertical loop of [...]
A uniform circular disc of mass `M` and radius `R` rolls without slipping on a horizontal surface. If the velocity of its centre is `v_0`, then the total angular momentum of the disc about a fixed point `P` at a height `(3R)R` above the centre `C`.
27
Nov
A uniform circular disc of mass `M` and radius `R` rolls without slipping on a horizontal surface. If the velocity of its centre is `v_0`, then the total angular momentum of the disc about a fixed point `P` at a height `(3R)R` above the centre `C`. A uniform circular disc of mass `M` and radius [...]
A uniform thin rod of length l and mass m is hinged at a distance l/4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is
27
Nov
A uniform thin rod of length l and mass m is hinged at a distance l/4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is then the initial angular acceleration of the board is: (Neglect weight of [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string.
27
Nov
A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string. then the initial angular acceleration of the board is: (Neglect weight of board) thereby destroying balance [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A sphere has to purely roll upwards. At an instant when the velocity of sphere is v, frictional force acting on it is
27
Nov
A sphere has to purely roll upwards. At an instant when the velocity of sphere is v, frictional force acting on it is A sphere has to purely roll upwards. At an instant when the velocity of sphere is v frictional force acting on it is November 27, 2020 Category: Cengage JEE Mains Physics by [...]
In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank, velocity of point ‘A’ would be
27
Nov
In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank, velocity of point ‘A’ would be In Fig. the velocities are in ground frame and the cylinder is performing pure rolling on the plank velocity of point 'A' would be November 27, 2020 Category: Cengage JEE Mains [...]
wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively, then.
27
Nov
wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively, then. then wo bodies with moments of inertia I1 and I2 (I1>I2) have equal angular momenta. If their kinetic energies of rotation are E1 and E2 respectively November 27, 2020 [...]
In the figure, s sphere of radius 2m rolls on a plank. The accelerations of the sphere and the plank are indicated. The value of α is
27
Nov
In the figure, s sphere of radius 2m rolls on a plank. The accelerations of the sphere and the plank are indicated. The value of α is