AIIMS2013Physics-Mechanics
AIIMS 2013 Physics Circular Motion MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A ball of mass m is tied up with string and rotated along a horizontal circle of radius r. At an instant, its velocity is v, and tension in string is T, the force required for circular motion is
A
T - mv²/r
B
T + mv²/r
C
mv²/r
D
zero
Correct Answer
Option C
Detailed Explanation
From figure, T sin θ = mv²/r.
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