The co-efficient of friction depends upon_______________?

Related Mcqs:

Forces are called coplanar when all of them acting on body lie in __________________?

A. one point B. one plane C. different planes D. perpendicular planes E. different points...

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of_______________?

A. friction B. limiting friction C. repose D. kinematic friction E. static friction...

Friction force for dry surfaces. Friction force is________________?

Pick up wrong statement? A. proportional to normal load between the surfaces B. dependent on the materials of contact surface C. proportional to velocity of sliding D. independent of the area of contact surfaces E. none of the above is wrong statement...

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if____________________?

A. the floor is smooth, the wall is rough B. the floor is rough, the wall is smooth C. the floor and wall both are smooth surfaces D. the floor and wall both are rough surfaces E. will be in equilibrium under all conditions...

A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span___________________?

A. 2.5 cm B. 3.0 cm C. 4.0 cm D. 5.0 cm E. 2.0 cm...