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Lois de Newton

Lois de Newton

Lois de Newton

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Forces <strong>de</strong> frottements secs : Exemplex’yReprenons l’exemple relatif à la<strong>de</strong>uxième loi <strong>de</strong> <strong>Newton</strong> :mg = poidsy’αxN = réaction du planf = frottements secsQuelle est cette fois-ci l’accélération du mobile ?(Exercice 1)

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