Physics-
General
Easy
Question
A uniform cylinder of radius R is spinned to an angular velocity 
and then placed on an inclined for which coefficient of friction is
. (
is the angle of incline). The centre of mass of the cylinder will remain stationary for time
The correct answer is:
Related Questions to study
physics-
A smooth rod of length 
is kept inside a trolley at an angle as shown in the figure. What should be the acceleration a of the trolley so that the rod remains in equilibrium with respect to it?
A smooth rod of length is kept inside a trolley at an angle as shown in the figure. What should be the acceleration a of the trolley so that the rod remains in equilibrium with respect to it?
physics-General
physics-
A lamina of mass M is in shape of a quarter of circle of radius R as shown in figure. The moment of inertia of this lamina about axis AB is
A lamina of mass M is in shape of a quarter of circle of radius R as shown in figure. The moment of inertia of this lamina about axis AB is
physics-General
physics-
The plank in the figure moves a distance 100 mm to the right while the centre of mass of the sphere of radius 150 mm moves a distance 75 mm to the left. The angular displacement of the sphere (in radian) is (there is no slipping anywhere)
The plank in the figure moves a distance 100 mm to the right while the centre of mass of the sphere of radius 150 mm moves a distance 75 mm to the left. The angular displacement of the sphere (in radian) is (there is no slipping anywhere)
physics-General
physics-
A uniform rod of length 7L is bent in the shape as shown in the figure. The co-ordinates of the centre of mass of the system are
A uniform rod of length 7L is bent in the shape as shown in the figure. The co-ordinates of the centre of mass of the system are
physics-General
physics-
A uniform disc of mass m and radius R is moving with speed 
and rotating with angular velocity 
on a smooth horizontal surface as shown then find the total angular momentum of a body about origin
A uniform disc of mass m and radius R is moving with speed and rotating with angular velocity on a smooth horizontal surface as shown then find the total angular momentum of a body about origin
physics-General
physics-
Three identical rods each of length L and mass M joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H as shown in figure.?
Three identical rods each of length L and mass M joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H as shown in figure.?
physics-General
physics-
For the toppling of the shown regular hexagon, the coefficient of friction must be
For the toppling of the shown regular hexagon, the coefficient of friction must be
physics-General
physics-
In the figure, the sphere rolls without slipping on the plank which is moving with constant velocity 
If the radius is 
and 
respectively. The velocity of centre of mass of the sphere is
In the figure, the sphere rolls without slipping on the plank which is moving with constant velocity If the radius is and respectively. The velocity of centre of mass of the sphere is
physics-General
physics-
The balloon, the light rope and the monkey shown in figure are rest in the air. If the monkey goes to the top of the rope, by what distance does the balloon descend? Mass of the balloon 
mass of the monkey 
and the length of the rope
The balloon, the light rope and the monkey shown in figure are rest in the air. If the monkey goes to the top of the rope, by what distance does the balloon descend? Mass of the balloon mass of the monkey and the length of the rope
physics-General
physics-
A cylinder of mass m and radius R, spinning about its axis with angular velocity and having velocity of centers of mass 
is placed on a smooth inclined plane as shown in the figure. Then
A cylinder of mass m and radius R, spinning about its axis with angular velocity and having velocity of centers of mass is placed on a smooth inclined plane as shown in the figure. Then
physics-General
physics-
A solid sphere of mass m is placed on rough inclined plane as shown in figure. The coefficient 
is insufficient to starts pure rolling. The sphere slides a length I on incline from rest and its kinetic energy becomes K. The work done by friction will be
A solid sphere of mass m is placed on rough inclined plane as shown in figure. The coefficient is insufficient to starts pure rolling. The sphere slides a length I on incline from rest and its kinetic energy becomes K. The work done by friction will be
physics-General
physics-
A uniform meters stick of mass m is pivoted about a horizontal axis through its lower end O. Initially it is held vertical and is allowed to fall freely down. Its angular velocity at the instant when it makes angle 60° with vertical is
A uniform meters stick of mass m is pivoted about a horizontal axis through its lower end O. Initially it is held vertical and is allowed to fall freely down. Its angular velocity at the instant when it makes angle 60° with vertical is
physics-General
physics-
Two spheres each of mass m and radius R/2 are connected with a massless rod of length 2R as shown in the figure. What will be the moment of inertia of the system about an axis passing through the centre of one of the spheres and perpendicular to the rod?
Two spheres each of mass m and radius R/2 are connected with a massless rod of length 2R as shown in the figure. What will be the moment of inertia of the system about an axis passing through the centre of one of the spheres and perpendicular to the rod?
physics-General
physics-
An equilateral triangle ABC formed from a uniform wire has two small identical beads initially located at A. The triangle is set rotating about the vertical axis AO. Then the beads are released from rest simultaneously and allowed to slide down, one along AB and the other along AC as shown. Neglecting frictional effects, the quantities that are conserved as the beads slide down, are
An equilateral triangle ABC formed from a uniform wire has two small identical beads initially located at A. The triangle is set rotating about the vertical axis AO. Then the beads are released from rest simultaneously and allowed to slide down, one along AB and the other along AC as shown. Neglecting frictional effects, the quantities that are conserved as the beads slide down, are
physics-General
physics-
Velocity -time (v-t) graph for a moving object is shown in the figure Total displacement of the object during the time interval when there is non-zero acceleration and retardation is
Velocity -time (v-t) graph for a moving object is shown in the figure Total displacement of the object during the time interval when there is non-zero acceleration and retardation is
physics-General
