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quynh010301
2 năm trước
Một người dùng 1 máy thủy lực có S2 = 150 S1, để nâng một chiếc xe có m = 3 tấn lên ở pít tông 2 a) Vẽ sơ đồ máy thủy lực b) Tính lực tác dụng lên pít tông 1 c) Nếu tác dụng một lực F = 500 N lên pít tông 1 thì có thể nâng 1 chiếc xe ở pít tông có m = ? Tấn Giúp với ạ. ( Tóm tắt dùm em luôn nhé )
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