A sphere of mass 3.1 ✕ 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 33° with the vertical. What is the magnitude of the push? What is the tension in the cord?
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F push = T (sin 33)
F normal = T (cos 33) = mg
T (cos 33) = mg
(b) T = mg/cos 33 = 3.1*10^-4 * 9.8 / 0.8386 = 0.0036 N
(a) F push = 0.0036 * 0.5446 = 0.0019 N
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