The coefficient of friction depends on_________________?

Related Mcqs:

Forces are called concurrent when their lines of action meet in_______________?

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

The weight of a body is due to____________________?

A. centripetal force of earth B. gravitational pull exerted by the earth C. forces experienced by body in atmos-phere D. force of attraction experienced by par-ticles E. gravitational force of attraction towards the centre of the earth...

Coefficient of friction is the__________________?

A. angle between normal reaction and the resultant of normal reaction and the limiting friction B. ratio of limiting friction and normal reaction C. the friction force acting when the body is just about to move D. the friction force acting when the body is in motion E. tangent of angle of repose...

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal________________?

A. density of metal can’t be determined B. metal is twice as dense as water C. metal will float in water D. metal is twice as dense as unknown fluid E. none of the above...

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?

A. 0° B. 30° C. 45° D. 60° E. 90°...