Home
Class 11
PHYSICS
A particle of mass m is placed at a dist...

A particle of mass `m` is placed at a distance `x` from the centre of ring along the line through the centre of the ring and perpendicular to its plane.

Gravitational potential energy of this system.

A

`-(GMm)/(sqrt(a^(2)+x^(2)))`

B

`(GMm)/a`

C

`(GMm)/x`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Similar Questions

Explore conceptually related problems

A particle of mass m is placed at a distance x from the centre of ring along the line through the centre of the ring and perpendicular to its plane. The force, when x=0 :

A particle of mass m is placed at a distance x from the centre of ring along the line through the centre of the ring and perpendicular to its plane. if xlt lta , the particle of mass m will:

A particle of mass m is placed at a distance R from centre of a uniformly dense thin ring of mass m rand radius R on a axis passing through its centre and perpendicular to its plane. Find the speed of the particle when it reaches at the centre fo the ring due to their mutual gravitation force.

Mass M is distributed uniformly along a line of length 2L . A particle of mass m is at a point that is at a distance a above the centre of the line on the its perpendicular bisector (Point P in figure). The gravitational force that the line exert on the particle is

From a complete ring of mass M and radius R , a 30^@ sector is removed. The moment of inertia of the incomplete ring about an axis passing through the centre of the ring and perpendicular to the plane of the ring is ,

A uniform ring of mass m and radius 3a is kept above a sphere of mass M and radius 3a at a distance of 4a (as shown in figure) such that line joining the centres of ring and sphere is perpendicular to the plane of the ring. Find the force of gravitational attraction between the ring and the sphere.

Moment of inertia of a ring of mass M and radius R about an axis passing through the centre and perpendicular to the plane is

A particle of mass M is placed at the centre of a spherical shell of same mass and radius a. What will be the magnitude of the gravitational potential at a point situated at a/2 distance from the centre ?

A ring of mass 10 kg and diameter 0.4m is rotated about an axis passing through its centre and perpendicular to its plane moment of inertia of the ring is