Atividade de Fisica

Questionário 11\n\n1) \\( P_u = \\frac{P_f}{\\pi} \\)\n\n\\( m = 5 \\)\nDensidade: 142.247\n\\( \\frac{D_1}{D_2} \\)\n\\( z = \\frac{d_c}{P_u} \\)\n\nmódulo - diâmetro limite\n\\( \\frac{5}{D_1} = \\frac{5}{D_2} \\)\n\\( D_1 = 210 / D_2 = 120 \\)\n\n2) \\( w_1 = 1500 \\pi \\) = 50 \\pi\n\n\\( \\{ \\)\n\\( m \\cdot T_r = \\rho = 500 \\) w = 10 \\pi Nm\n\\( w_1 = 50 \\pi \\) rad\n\n3) \\( P \\) para engrenagens cônicas transmitem rotação entre eixos concorrentes.\n\n\\( w_1 = 1500 \\pi = 50 \\pi \\)\n\\( J = \\rho = 7500 \\) w = 150 \\pi rad/mm = 150000 / \\( \\pi \\) Nm/\n\\( w_1 = 50 \\pi \\) rad/s\n\n\\( w_2 = \\frac{n_2}{30} = \\frac{1800 \\text{ rpm}}{30} = 60 \\pi \\) rad/s \n\\( w_2 = d_1 , w_1 = 125 \\text{ mm} \\cdot 60\\pi \\text{ rad} \\)\n\\( 250 \\text{ mm} = 30 \\pi \\)\n\n\\( P_2 = \\frac{W_2}{2\\pi} = \\frac{30 \\text{ rad}}{2 \\pi} = 15 \\text{ Hz} \\)\n\n\\( n_1 = 1800 \\) \n\\( n_2 = 60 \\cdot f_2 = 60 \\cdot 15 = 900 \\text{ rpm} \\)\n\\( n_3 = 450 \\)