NEET | 2018FrictionHard
Question
Which one of the following statements is
incorrect ?
Options
A.
Rolling friction is smaller than sliding friction
B.
Limiting value of static friction is directly proportional to normal reactions
C.
Frictional force opposes the relative motion
D.
Coefficient of sliding friction has dimensions of length
Solution
Coefficient of sliding friction has no dimension
Create a free account to view solution
View Solution FreeMore Friction Questions
A block (B) is attached to two unstretched springs S1 and S2 with spring constants k and 4k, respectively (see figure I)...A solid cylinder of mass m and radius r is rolling on a rough inclined plane of inclination θ. The coefficient of f...A motor cyclist want to drive on the vertical surface of a wooden well of radius 10 m with a minimum speed of 20 m/s. Th...When the two surfaces are coated with the lubricant, then they will :...Two projectiles are projected with the same velocity. If one is projected at an angle of 30o and the other at 60o to the...