O is a point at the bottom of a rough plane inclined at an angle `alpha` to horizontal Coefficient of friciton between AB is `(tan alpha)/(2)` and between BO is `(3 tan alpha)/(2)B` is the middle point of AO, A block if released from rest at A, then which of the following graphs are correct :

O is a point at the bottom of a rough plane inclined at an angle alpha to the horizontal. Coefficient of friction between AB is (Tanalpha)/(2) and between BO is (3Tanalpha)/(2) . B is the mid–point of AO . A block is released from rest at A. Then identify which graphs are correct during motion of block from point A to O taking direction down the incline plane as positive (sinalpha=1//5) :

O is a point at the bottom of a rough plane inclined at an angle alpha to the horizontal. Coefficient of friction between AB is (Tanalpha)/(2) and between BO is (3Tanalpha)/(2) . B is the mid–point of AO . A block is released from rest at A. Then identify which graphs are correct during motion of block from point A to O taking direction down the incline plane as positive (sinalpha=1//5) :

A block of mass m is placed on a rough plane inclined at an angle theta with the horizontal. The coefficient of friction between the block and inclined plane is mu . If theta lt tan^(-1) (mu) , then net contact force exerted by the plane on the block is :

A block of mass m is placed on a rough plane inclined at an angle theta with the horizontal. The coefficient of friction between the block and inclined plane is mu . If theta lt tan^(-1) (mu) , then net contact force exerted by the plane on the block is :

The distance between the points (tan alpha, 1 ) , (0, 2) is

A uniform disc is released from the top of a rough inclined plane of angle theta and height h. The coefficient of friction between the disc and the plane is mu= tan theta/4 . The speed of centre of mass of disc on reaching the bottom of the plane is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is