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Physics, 13.12.2021 08:30 asorrell5075

Phát biểu nào sau đây là đúng? A. Lực và phản lực có chung điểm đặt.
B. Cặp lực trực đối thì triệt tiêu nhau.
C. Cặp lực trực đối thì luôn ngược hướng.
D. Lực pháp tuyến và trọng lực là hai lực trực đối của nhau

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Phát biểu nào sau đây là đúng? A. Lực và phản lực có chung điểm đặt.
B. Cặp lực trực đối thì...
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