Física - Força Centrípeta

Força \"Centrípeta\"\nF\\_c\\ = F\\_A\nF\\_c\\ = m \\cdot a\nF\\_c\\ = m \\cdot \\frac{v^2}{R}\nF\\_A = F\\_B = m \\cdot a\n\nF\\_P = m \\cdot a\\_c\nN - m \\cdot g = m \\cdot a\\_c\nN = ?\nN = 0\n2 \\cdot 10 - N = 2 \\cdot 20^2 \\over 20\n20 - N = 10\n\n(1)\nV_{min} = \\sqrt{36}\nV_{min} = 6 m/s\nV_{m min} = 36 km/h\n\n(2)\nF\\_c\\ = m \\cdot a\\_c\np = \\frac{v^2}{R}\n\nm \\cdot g = m \\cdot a\\_{\nc}\nN = m \\cdot \\frac{v^2}{R}\n-N = m \\cdot v^2 \\over R\n\nN = mg - m\\cdot \\frac{v^2}{R}\n\n(3)\nF\\_r\\ = m \\cdot a\\_c\nD - N = m \\cdot \\frac{v^2}{R}\nN = m \\cdot a\nN = m \\cdot g - m \\cdot \\frac{v^2}{R}\nN = mg - m\\cdot \\frac{v^2}{R}\n\n(4)\nFat = \\mu \cdot N = m \\cdot g\nN = m \\cdot a \\cdot p\n\nN = \\frac{m \\cdot g}{\\mu}\n\\mu \cdot m \\cdot g = m \\cdot \\frac{v^2}{R}\n\\mu \\cdot g = \\frac{v^2}{R}\nV_{m} = \\sqrt{\\mu \cdot g \cdot R}\n