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Physics, 27.10.2021 15:50 michaela134

Hãy vẽ các mũi tên biểu diễn lực và nêu các đặc trưng của lực trong các trường hợp sau đây theo tỉ xích 1cm ứng với 5N: a, Một người thợ xây đẩy chiếc xe rùa với lực 30N.
b, Cánh tay tì vào mặt bàn theo phương thẳng đứng với lực 10N

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Hãy vẽ các mũi tên biểu diễn lực và nêu các đặc trưng của lực trong các trường hợp sau đây theo tỉ x...

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