4. Kinetic Friction is a. maximum value of frictional force when a body is about to move b. friction between two well lubricated bodies c. friction action when the body is in motion d. friction that keeps a body in motion 5. The coefficient of friction is equal to a. The angle between the normal reaction and the resultant of normal reaction and the limiting friction b. The tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction c. The tangent of the angle of the net resultant force with the direction motion d. The tangent of the angle between the normal reaction and the direction of limiting friction 6. Ice is slippery when a man walks on it because a. it has a smooth surface b. it has no friction c. it is very chilly d. increase of pressure causes it to melt
4. Kinetic Friction is a. maximum value of frictional force when a body is about to move b. friction between two well lubricated bodies c. friction action when the body is in motion d. friction that keeps a body in motion 5. The coefficient of friction is equal to a. The angle between the normal reaction and the resultant of normal reaction and the limiting friction b. The tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction c. The tangent of the angle of the net resultant force with the direction motion d. The tangent of the angle between the normal reaction and the direction of limiting friction 6. Ice is slippery when a man walks on it because a. it has a smooth surface b. it has no friction c. it is very chilly d. increase of pressure causes it to melt
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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