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How Does An Equal-arm Balance Work? |
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Answer» TWO pans of equal balances are PLACED at the end of the beam, one at each end. A long pointer attached at RIGHT angles to the beam at the point of support. Zero on a scale indicates the beam is at rest. Two pans of equal balances are placed at the end of the beam, one at each end. A long pointer attached at right angles to the beam at the point of support. Zero on a scale indicates the beam is at rest. |
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