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A board that is 1.5 m long is supported in two places.
If the force exerted by the first support is 25 N and the forced exerted by the second is 62 N.
what is the mass of the board?
Magnetism - Basic concepts: 1. Pole strength: The ability of a pole of a magnet to attract or repel another magnetic pole is called its pole strength. Units : A-m 2.
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