Q154
Frictional force acts in
A.
The same direction as the motion
B.
The opposite direction of the motion
AnswerC.
All the directions
D.
Upward direction
Answer: Option B
Solution
Answer: Option B
Solution:
The part which is tangent to the contacting surfaces is called the frictional force. Friction is a resisting force that acts on a body to prevent or retard its motion. Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion.