Question on: JAMB Physics - 2023
The working of the beam balance is based on the principle of
A
moments
B
conservation of energy
C
equivalence
D
floatation
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Correct Option: A
The beam balance works on the principle of moments. Moments are torques or turning forces that cause an object to rotate around a pivot or a fixed point. In a beam balance, the object to be weighed is placed on one side of a balanced beam, and standard weights are placed on the other side. When the beam is level, the moments on both sides are equal, indicating that the weights are in equilibrium. This principle is essential for accurate measurement of mass using a beam balance.
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