STANDARD Physics Torque and Equilibrium MCQ Question
A uniform rod AB is suspended from a point X, at a variable distance x from A, as shown. To make the rod horizontal, a mass m is suspended from its end A. A set of (m, x) values is recorded. The appropriate variables that give a straight line, when plotted, are
m, 1/x²
m, x²
m, x
m, 1/x
Correct Answer
Detailed Explanation
Balancing torque about the point of suspension X gives a relationship between m and 1/x, which results in a straight line when plotted.
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