Physics, 16.10.2019 23:30 qveenvslayin
Drawbridges, such as this one at the tower of london, are raised and lowered by cable systems. now consider the drawbridge illustrated below wherein the nearly horizontal brown door is centered along the vertical brick wall, the door-wall angle is α = 85 o as measured relative to the black hinge axis, the tension (magnitude) in each cable is t = 500 n and the relevant dimensions are a = 360 cm, b = 100 cm, c = 520 cm and d = 390 cm. determine the resultant torque (magnitude) | ( m r ) a x i s | in nm that the two cables contribute to the moment about the hinge axis.
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Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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Drawbridges, such as this one at the tower of london, are raised and lowered by cable systems. now c...
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