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79 A uniform rod having length is hinged at one end and is

Last updated: 6/14/2023

79 A uniform rod having length is hinged at one end and is

79 A uniform rod having length is hinged at one end and is free to rotate in vertical plane The rod is released from the position making angle 0 with the vertical The acceleration of the free end of the rod at the instant it was released is 1 3g sin 0 4 3a sing 0 VN AX 3g cos 0 2 short to inspM C 2 ng

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This section contains 35 SINGLE CORRECT TYPE questions Each question has 4 Read More The following bodies have same mass and radius The body with less moment of inertia about geometric axis is O Solid sphere Phy Section A O Hollow sphere O Disc
Physics
Rotation
This section contains 35 SINGLE CORRECT TYPE questions Each question has 4 Read More The following bodies have same mass and radius The body with less moment of inertia about geometric axis is O Solid sphere Phy Section A O Hollow sphere O Disc
A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity o If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring the ring will then rotate with an angular velocity AIPMT 2010 1 3 M M m M M 2m 2 4 M 2m M 2m M 2m M
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A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity o If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring the ring will then rotate with an angular velocity AIPMT 2010 1 3 M M m M M 2m 2 4 M 2m M 2m M 2m M
out slippi A cylinder of mass m and radius R is rolling horizontal surface with angular velocity oo The velocity of centre of mass of cylinder is woR The cylinder comes across a step of height R 4 Assume required friction is present at edge of the step Answer the following questione hased on abou 13 A Find the minimum angular velocity wo of cylinder so that cylinder rides up the step without slipping or jumping 2 3g 5 VR 5 3g 2VR C B D 3 3g 5VR o R g 3R R 4
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Rotation
out slippi A cylinder of mass m and radius R is rolling horizontal surface with angular velocity oo The velocity of centre of mass of cylinder is woR The cylinder comes across a step of height R 4 Assume required friction is present at edge of the step Answer the following questione hased on abou 13 A Find the minimum angular velocity wo of cylinder so that cylinder rides up the step without slipping or jumping 2 3g 5 VR 5 3g 2VR C B D 3 3g 5VR o R g 3R R 4
4 A disc of mass m and radius R is hinged at its centre A light string is wrapped on its rim and the free end of the string is being pulled by a force F Assuming that the string does not slip over the disc the acceleration of free end the string is R mass m F pode muinsmon
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Rotation
4 A disc of mass m and radius R is hinged at its centre A light string is wrapped on its rim and the free end of the string is being pulled by a force F Assuming that the string does not slip over the disc the acceleration of free end the string is R mass m F pode muinsmon
ABC is an isosceles triangular sheet of negligible thickness made of isotropic material Mass of the sheet is m Its moment of inertia about axes perpendicular to its plane and passing through the points A and B are 1 and 1 respectively AB AC a and BC 2a Find 12 11 2 33 B 2a ro
Physics
Rotation
ABC is an isosceles triangular sheet of negligible thickness made of isotropic material Mass of the sheet is m Its moment of inertia about axes perpendicular to its plane and passing through the points A and B are 1 and 1 respectively AB AC a and BC 2a Find 12 11 2 33 B 2a ro
51 A thin rod AB of length is kept vertical on a horizontal floor such that end A is in contact with floor If the rod is allowed to fall without slipping at end A then its angular velocity just before hitting the ground is 1 3gl 3 lal 2 2 gl 4 2g
Physics
Rotation
51 A thin rod AB of length is kept vertical on a horizontal floor such that end A is in contact with floor If the rod is allowed to fall without slipping at end A then its angular velocity just before hitting the ground is 1 3gl 3 lal 2 2 gl 4 2g
Quiz Quiz If earth were to stop spinning then your weight on equator will be A B C D heavier by around 0 5 heavier by around 5 less by around 0 5 less by around 5
Physics
Rotation
Quiz Quiz If earth were to stop spinning then your weight on equator will be A B C D heavier by around 0 5 heavier by around 5 less by around 0 5 less by around 5
23 A rod PQ of mass M and length L is hinged at end P The rod is kept horizontal by a massless string tied to point Q as shown in figure When string is cut the initial angular acceleration of the rod is 3g PC k a 9 L o 2g Q d NEET 2013 2g
Physics
Rotation
23 A rod PQ of mass M and length L is hinged at end P The rod is kept horizontal by a massless string tied to point Q as shown in figure When string is cut the initial angular acceleration of the rod is 3g PC k a 9 L o 2g Q d NEET 2013 2g
NEET PHY Q 21 A hollow sphere is released from the top of a wedge as shown in the figure There is no friction between the wedge the ground There is sufficient friction to provide pure rolling The velocity of the sphere just before it leaves the wedge will be Assume Masses of the wedge and sphere are equal h R to be the radius of sphere Om 1 3gh 7 h m 2 49h 3 gh 6 6
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Rotation
NEET PHY Q 21 A hollow sphere is released from the top of a wedge as shown in the figure There is no friction between the wedge the ground There is sufficient friction to provide pure rolling The velocity of the sphere just before it leaves the wedge will be Assume Masses of the wedge and sphere are equal h R to be the radius of sphere Om 1 3gh 7 h m 2 49h 3 gh 6 6
A ring of radius 0 25 metre and mass 10 kg rotating about its diameter with angular spe 40 rad s Its kinetic energy is 1 5 J 2 50 J 3 250 J 4 500 J
Physics
Rotation
A ring of radius 0 25 metre and mass 10 kg rotating about its diameter with angular spe 40 rad s Its kinetic energy is 1 5 J 2 50 J 3 250 J 4 500 J