Physics-Friction
NEET Physics Friction MCQ Question
Type: MCQ-diagram based-Hard-Class 11
Consider a diagram showing a block sliding down an inclined plane. The diagram includes vectors representing the gravitational force, normal force, and frictional force. Which label correctly identifies the kinetic friction force acting on the block?
A
The vector parallel to the incline opposing the motion.
B
The vector perpendicular to the incline supporting the block.
C
The vector pointing vertically downwards.
D
The vector pointing vertically upwards.
Correct Answer
Option A
Detailed Explanation
Kinetic friction opposes relative motion along the surface. It acts parallel to the surface and opposite to the direction of motion, as described in Chunk 2.
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