Physics, 30.07.2021 05:50 Coscutt

Chiếc ghế Bốn chân Có khối lượng 3 kg. Diện tích tiếp xúc với nền nhà của mỗi chân ghế là S1=8 Cm2 a)Tính áp suất của ghế tác dụng lên nền nhà. b) Nếu một người có khối lượng 50 kg ngồi trên ghế không chạm chân xuống đất. Tính áp suất của ghế tác dụng lên nền nhà trong trường hợp này

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Chiếc ghế Bốn chân Có khối lượng 3 kg. Diện tích tiếp xúc với nền nhà của mỗi chân ghế là S1=8 Cm2...

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