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A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its kinetic energy is
25
Aug
A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its kinetic energy is A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega. Its [...]
A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. The moment of inertia of the wheel about the axis of rotation is
25
Aug
A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. The moment of inertia of the wheel about the axis of rotation is A fly wheel rotating about a fixed axis has a kinetic energy of 360J. When its angular speed is 30 rad/s. [...]
The moment of inertia of a body about a given axis is 1.2 kg m^2. Initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 rad/s^2 must be applied about that axis for a duration of
25
Aug
The moment of inertia of a body about a given axis is 1.2 kg m^2. Initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 rad/s^2 must be applied about that axis for a duration of an angular acceleration of 25 rad/s^2 must [...]
The angular speed of an engine wheel making 90 rev/min is
25
Aug
The angular speed of an engine wheel making 90 rev/min is The angular speed of an engine wheel making 90 rev/min is August 25, 2020 Category: Chapter 11 - Rotational Mechanics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
If a fly wheel makes 120 revolutions per minute then its angular speed will be
25
Aug
If a fly wheel makes 120 revolutions per minute then its angular speed will be If a fly wheel makes 120 revolutions per minute then its angular speed will be August 25, 2020 Category: Chapter 11 - Rotational Mechanics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics [...]
A couple produces
25
Aug
A couple produces A couple produces August 25, 2020 Category: Chapter 11 - Rotational Mechanics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
O is the centre of an equilateral triangle ABC. F1,F2 and F3 are the three forces acting along the sides AB, BC and AC respectively. What should be the value of F3 so that the total torque about O is zero?
25
Aug
O is the centre of an equilateral triangle ABC. F1,F2 and F3 are the three forces acting along the sides AB, BC and AC respectively. What should be the value of F3 so that the total torque about O is zero? BC and AC respectively. What should be the value of F3 so that the [...]
The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h from rest without slipping will be.
25
Aug
The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h from rest without slipping will be. The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h from rest without slipping will be. August 25, 2020 Category: Chapter 11 - Rotational Mechanics [...]
A solid sphere, disc and solid cylinder all of the same mass and made of the same material are allowed to roll down (from rest) on an inclined plane, then
25
Aug
A solid sphere, disc and solid cylinder all of the same mass and made of the same material are allowed to roll down (from rest) on an inclined plane, then A solid sphere disc and solid cylinder all of the same mass and made of the same material are allowed to roll down (from rest) [...]
A solid homogeneous sphere of mass M and radius R is moving on a rough horizontal surface partly rolling and partly sliding. During this kind of motion of the sphere
25
Aug
A solid homogeneous sphere of mass M and radius R is moving on a rough horizontal surface partly rolling and partly sliding. During this kind of motion of the sphere A solid homogeneous sphere of mass M and radius R is moving on a rough horizontal surface partly rolling and partly sliding. During this kind [...]