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Physics, 25.10.2021 07:50 anthonyherd18
Một vật khối lượng m được kéo trượt trên sàn bằng lực kéo F tạo góc α so với phương ngang. Biết hệ số
ma sát với sàn là µ.
a. Tìm gia tốc của vật với α = 0, µ = 0,01, m = 1kg, F = 2N
b. Với α = 0, µ = 0,01, m = 1kg, muốn vật đi đều thì F = ?
c. Với α = 0, µ = 0,01, m = 1kg, muốn vật sau khi xuất phát 50m có vận tốc 36 km/h thì F = ?
d. Tìm gia tốc của vật khi α = 300, µ = 0,01, m = 1kg, F = 2N
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Một vật khối lượng m được kéo trượt trên sàn bằng lực kéo F tạo góc α so với phương ngang. Biết hệ s...
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