Static Friction The friction experienced by a body, when it is at rest is known as static friction.
Dynamic Friction The friction experienced by a body, when it is in motion is called dynamic friction. Dynamic friction is also called as kinetic friction.
Dynamic friction always less than static friction.
The ratio of static friction to dynamic friction is always greater than one.
39) Static friction is always ______ dynamic friction
Answer is:
greater than
Explanation:
Related Engineering Mechanics MCQ with Answers
40) The angle of inclination of the plane at which the body begins to move down the plane, is called
Answer is:
angle of friction
Explanation:
The angle of inclination of the plane at which the body begins to move down the plane, is called angle of friction.
Answer is:
greater than
Explanation:
A body will begin to move down an inclined plane if the angle of inclination of the plane is greater than the angle of friction
Answer is:
nature of surface only
Explanation:
Coefficient of friction depends upon nature of surface only, it is independent of area of contact.
Answer is:
equal to
Explanation:
The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane equal to the angle of friction.