The coefficient of friction is 0.75 .If `sin37^(@)=0.6` ,the angle of friction is

A block rests on an inclined plane that makes an angle  with the horizontal, if the coefficient of sliding friction is 0.50 and that of static friction is 0.75, the time required to slide the block 4 m along the inclined plane is -

COMPLETETION TYPE QUESTIONS: The coefficient of static friction is equal to the ______of the angle of friction.

The coefficient of friction between two surface is 0.2. The maximum angle of friction is

A 1 kg block is being pushed against a wall by a force F=75N as shown in the figure. The coefficient of friction is 0.25. The magnitude of acceleration of the block is:

Define coefficient of limiting friction.

A car is moving with speed v and is taking a turn on a circular road of radius 10 m. The angle of banking is 37^(@) . The driver wants that car does not slip on the road. The coefficient of friction is 0.4 (g = 10 m//sec^(2)) The speed of car for which no frictional force is produced is :

The coefficent of friction mu and the angle of friction lamda are related as