The direction of frictional force with respect to the plane of contact (When two solid bodies are in relative motion) is
a) Perpendicular
b) Parallel
c) Normal
d) Inclined
Answers
Answer:
parallel
Explanation:
Frictional force always acts parallel to two planes in contact with each other in opposite directions
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Answer:
The correct answer is Option (b) Parallel
Explanation:
What is frictional force?
It is a type of force which opposes the relative motion of solid surfaces and surfaces sliding against each other.
Where it acts?
This force acts opposite to the motion of the body and acts parallel to the plane. The force of friction usually opposes the motion of an object. If the object is at rest and not moving, then the force of friction will be zero.
Types of frictional force:
Force of friction can be of two types:
- Static friction
- Kinetic friction
Static friction works when the object is at rest and not moving.
Kinetic friction works when the object is moving and not at rest.
Learn more about friction:
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