Home
Class 11
PHYSICS
A wheel of radius 20 cm and moment of in...

A wheel of radius 20 cm and moment of inertia `1` kgm^2 can rotate about its centre.A string is wrapped over its rim and is pulled by a force 'F' tangential to the rim of wheel.If angular acceleration produced is `2` rad/s^2 then the value of force 'F' is

A

`25`

B

`0.5 `

C

`50`

D

`5`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A wheel of radius 10 cm can rotate freely about its centre as shown in figure. A string is wrapped over its rim and is pulled by a force of 5.0 N. It is found that the torque produces an angular acceleration 2.0 rad s^-2 in the wheel. Calculate the moment of inertia of the wheel.

A flywheel of moment of inertia 0.4 kg m^(2) and radius 0.2 m is free to rotate about a central axis. If a string is wrapped around it and it is pulled with a force of 10N. Then its angular velocity after 4s will be

A fly wheel of 0.4 kg(m^-2) M.Iand of 0.2 m radius can rotate about its axis.A rope is wrapped around its circumference and pulled with 10 N force. The value of angular acceleration in rad/sec^2 will be?

A wheel of radius 0.4m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4 kg is hung. An angular acceleration of 8 rad//s^(2) is produced in it due to the torque. Then, the moment of inertia of the wheel is ( g=10m//s^(2) )

A wheel of moment of inertia I and radius r is free to rotate about its centre as shown in figure. A string is wrapped over its rim and a block of mass m is attached to the free end of the string. The system is released from rest. Find the speed of the block as it descends through a height h.

A uniform disc of radius R and mass M is free to rotate only about its axis. A string is wrapped over its rim and a body of mass m is tied to the free end of the string as shown in the figure. The body is released from rest. Then the acceleration of the body is

A uniform disc of radius R and mass M is free to rotate only about its axis. A string is wrapped over its rim and a body of mass m is tied to the free end of the string as shown in the figure. The body is released from rest. Then the acceleration of the body is

A fixed pulley of radius 20 cm and moment of inertia 0.32 kg. m^(2) about its axle has a massless cord wrapped around its rim. A mass M of 2 kg is attached to the end of the cord. The pulley can rotate about its axis without any friction. The acceleration of the mass M is :- (Assuming g=10m//s^(2) )

A disc of mass m and radius r is free to rotate about its centre as shown in the figure. A string is wrapped over its rim and a block of mass m is attached to the free end of the string. The system is released from rest. The speed of the block as it descends through a height h, is :-

A hollow sphere of mass 1 kg and radius 10 cm is free to rotate about its diameter. If a force of 30 N is applied tangentially to it, its angular acceleration is (in rad/ s^(2) )