6) A force of 3.8 N directed along the positive x-axis combines with a second fo

Question

6) A force of 3.8 N directed along the positive x-axis combines with a second force directed along the positive y-axis to produce a total force vector of magnitude 6.1 N. What is the magnitude of the second vector? (1.6pts) 9.5 N 2.7 N 23.5 N Not enough information is given. 7) A 1.75 kg picture frame is hung on the wall by means of a string. The string is attached to the corners of the picture frame and makes an isosceles triangle with height 4.00 cm and base 37.0 cm. What is the tension T in the string? (1.6pts) 79.4 N 8.6 N 80.0 N 17.2 N 159 N 8) The mass of a sack of potatoes whose weight is 200 N is (1.6pts) 20.4 kg. 210 kg. 440 kg. 91 kg. 9) The moon with a mass of 7.35

Explanation / Answer

a. F^2 = F1^2 + F2^2 F2^2 = 6.1^1 -3.8^2 F2 = 4.77 N hence answer is not enough information b. T = mg = 1.75 * 9.8 = 17.2 N c. W = mg m = 200/9.8 = 20.4 kgs d. F = gm1m2/r^2 = 1.98

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