Solid Friction Viscosity MCQs Test Online PDF Download

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Learn properties and mechanics of matter practice test MCQs: given that normal reaction is constant, friction force is, for free online courses with options directly proportional to the area of the contact of the given surfaces, inversely proportional to the area of the contact of the given surfaces, directly proportional to the square of the area of the contact of the given surfaces, independent of the area of the contact of the given surfaces for scholars competing for college and universities' scholarships with GRE practice test for good GRE percentiles. Free skills assessment test is for online e-learning solid friction viscosity quiz questions for competitive assessment in physics major. Solid Friction: Viscosity Video

MCQ on Solid Friction ViscosityQuiz PDF Download

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