Dynamic friction as compared to static friction is___________________?

Related Mcqs:

If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?

A. P/2 cos 9/2 B. IP sin 9/2 C. 2P tan 9/2 D. IP cos 9/2 E. Psin 9/2...

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...

A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

A. remain horizontal B. slant up towards direction of pull C. slant down towards direction of pull D. unpredictable E. none of the above...

If n = number of members andy = number of joints, then for a perfect frame, n =_________________?

A. j-2 B. 2j-l C. 2/-3 D. 3/-2 E. 2/ -4...

Which one of the following statements is not correct_________________?

A. the tangent of the angle of friction is equal to coefficient of friction B. the angle of repose is equal to angle of friction C. the tangent of the angle of repose is equal to coefficient of friction D. the sine of the angle of repose is equal to coefficient to friction E. none … Which one of the following statements is not correct_________________?Read More...