per tenere fermo un carrello della spesa su un piano inclinato di 7° una signora applica una forza di 102 N

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per tenere fermo un carrello della spesa su un piano inclinato di 7° una signora applica una forza di 102 N

by pasquale.clarizio |
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in direzione orizzontale. quanto pesa il carrello?

Psin(θ)=Fcos(θ)

P=F/tan(θ)

P=102/tan(7º)≈831N

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pasquale.clarizio

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