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Physics, 09.12.2021 19:50 Gattuso

Một người dùng dây kéo một vật có trọng lượng P=50N trên mặt sàn nằm ngang nghiêng 1 góc α=30o so với phương ngang hệ số ma sát trượt giữa vật và mặt sàn là μ=0,3. Hãy xác định độ lớn của lực kéo

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Một người dùng dây kéo một vật có trọng lượng P=50N trên mặt sàn nằm ngang nghiêng 1 góc α=30o so vớ...
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