Previous AProb List Next Phys3LB Week 5: Problem 2 (1 pt) Equivalent forces deri

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Previous AProb List Next Phys3LB Week 5: Problem 2 (1 pt) Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 01, and 02. [Answer: F3 migcose m2gcoso2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both weights is 225 gm, the first mass is located 20 north of east, the second mass is located 200 south of east, and the transducer sensitivity is 0.5 volts/Newton, how large a voltage do you expect to measure? Assume the transducer has been properly zeroed so that V 0 when F3 0 Volts Preview Answers Sube Answers You have attempted this problem 0 times. You have 3 attempts remaining.

Explanation / Answer

Mass, m1 = m2 = 0.225 kg

Acceleration due to gravity, g = 10 m/s2

Net equivalent Force, F 3 = m1 g cos 200 + m2 g cos 200

F3 = 2 * 0.225 * 10 * 0.408 = 1.836 N

Voltage = Sensitivity * F3 = 0.5V/N * 1.836N = 0.918N

Voltage = 0.918N

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