Learn solid friction viscosity MCQs, O level physics test for online learning courses, test prep to practice test. Properties and mechanics of matter multiple choice questions (MCQs), solid friction viscosity quiz questions and answers, solid friction: viscosity tutorials for online learn physics free courses distance learning.

IGCSE physics practice test MCQ: magnitude of coefficient of viscosity is given by with options frictional force ⁄ (area × velocity gradient), (frictional force × velocity gradient) ⁄ area, (frictional force × area) ⁄ velocity gradient and none of the above for scholars competing for college and universities' scholarships with GRE practice test for good GRE percentiles. Free study guide is for online learning solid friction viscosity quiz test with MCQs to practice test questions with answers. Solid Friction: Viscosity Video

MCQ: Magnitude of coefficient of viscosity is given by

1. frictional force ⁄ (area × velocity gradient)
2. (frictional force × velocity gradient) ⁄ area
3. (frictional force × area) ⁄ velocity gradient
4. None of the above

A

MCQ: Given that normal reaction is constant, friction force is

1. directly proportional to the area of the contact of the given surfaces
2. inversely proportional to the area of the contact of the given surfaces
3. directly proportional to the square of the area of the contact of the given surfaces
4. independent of the area of the contact of the given surfaces

D

MCQ: Coefficient of viscosity may be expressed in units of

1. kg s m-2
2. kg m s-2
3. N s m-2
4. N m s-2

C

MCQ: Coefficient of static friction is equal to

1. limiting friction force (F) × normal reaction force (R)
2. limiting friction force (F) ⁄ normal reaction force (R)
3. normal reaction force (R) ⁄ limiting friction force (F)
4. None of the above

B

MCQ: Dimensions of coefficient of friction are

1. [M] [L] [T]-2
2. [M]-1 [L]-1 [T]²
3. [M] [L]-1 [T]-1
4. It's a dimensionless quantity

D