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boss2407
2 năm trước
bài1: 1 máy ép dùng nước chứa đầy nước, các pit tông của nó có tiết diện s= 100 cm^2, s=10cm ^2. tác dụng lên pít tông nhỏ 1 lực 50N hỏi a) lực nâng pít tông lớn là bao nhiêu? b) Nếu pít tông nhỏ dịch xuống 1 đoạn 5 cm thì pít tông lớn dc nâng lên 1 đoạn là bao nh CÁC PRO ĐANG ĐỌC CÂU HỎI ĐÃ SẮP NGỦ CHƯA Ạ, EM CHƯA NÈ VÌ CHƯA LÀM ĐƯỢC CÂU TRÊN IK Ạ, CÁC PRO GIÚP VS Ạ
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