1.

Why wooden plank may it if we stand on it​

Answer»

Newton's first and third laws, REALLY. First law says an object at rest stays at rest unless acted on by an unbalanced FORCE. Third law says that when you exert force to lift the plank (and yourself), you're also exerting equal force down on the plank, which makes those forces balanced.Explanation:good MORNING dear mark me as BRAINLIST



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