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Physics_50_Proficiency_Test_1s

# Physics_50_Proficiency_Test_1s - and find R x and R y the...

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Physics 50 Proficiency Test 1(sample) (Time: 15 minutes) 25 points By Todd Sauke Name ________________________ Section # ________ The three forces described below act on an object at the origin of a coordinate system. The given angles are measured counterclockwise around from the + x axis unless other- wise specified. The "newton", letter symbol N, is a unit of force in the metric system. F 1 = 64.0 N at –17 º F 2 = 18.0 N at 0.46 rad F 3 = 47.0 N at 43 º clockwise from the negative y axis. Convert the angle given in rad (radians) to degrees. F 2 = ______________ º Sketch the three forces as approximately scaled arrows on a coordinate system below. Use enough accuracy to show approximate length and which quadrant each vector is in. Make a vector addition table as in class for summing the components of these vectors

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