A block rests on a rough plane whose inclination `theta` to the horizontal can be varied. Which of the following graphs indicates how the friction force `F` between the block and the plane varies as `theta` is increased?

A body is placed on a rough inclined plane of inclination theta . As the angle theta is the increased from 0^(@) to 90^(@) , the contact force between the block and the plane

A body is placed on a rough inclined plane of inclination theta . As the angle theta is the increased from 0^(@) to 90^(@) , the contact force between the block and the plane

A block of mass m slides down a rough inclined plane of inclination theta with horizontal with zero initial velocity. The coefficient of friction between the block and the plane is mu with theta gt tan^(-1)(mu) . Rate of work done by the force of friction at time t is

A body is placed on a rough inclined plane of inclination theta . As the angle theta is the increased from 0^(@) to 90^(@) , the normal force between the block and the plane is,

A body is placed on a rough inclined plane of inclination theta . As the angle theta is the increased from 0^(@) to 90^(@) , the normal force between the block and the plane is,

A block is at rest at the top of a rough inclined plane of inclination 30° with the horizontal. What is the coefficient of kinetic friction between the block and the plane, if the . block slides down with an acceleration of g/5 ?

A body is placed on a rough inclined plane of inclination theta . As the angle theta is increased from 0^(@) to 90^(@) the contact force between the block and the plane

A block of weight 1 N rests on a inclined plane of inclination theta with the horizontal. The coefficient of friction between the block and the inclined plane is mu . The minimum force that has to be applied parallel to the inclined plane to make the body just move up the plane is

A block of weight 1 N rests on a inclined plane of inclination theta with the horizontal. The coefficient of friction between the block and the inclined plane is mu . The minimum force that has to be applied parallel to the inclined plane to make the body just move up the plane is