AIIMS2017Physics-Rotational Motion
AIIMS 2017 Physics Centrifugal Force MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A liquid of mass M is filled in a container of length L and rotated with an angular velocity ω. The force exerted by the liquid at the other end
A
1/2 Mω²L²
B
Mω²L
C
1/4 Mω²L
D
1/2 Mω²L
Correct Answer
Option B
Detailed Explanation
When a liquid of mass is rotated in a container with angular velocity , the centripetal force acting on the liquid at the far end is given by , where is the centripetal acceleration . Therefore, the force exerted by the liquid at the other end is , which corresponds to option (B).
Options (A) and (C) are incorrect as they introduce unnecessary factors that do not align with the direct relationship between mass, angular velocity, and distance in this scenario. Option (D) is a repetition of (A) and also incorrect for the same reason.
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