Physics, 09.12.2019 18:31 dheydar3506
Abowling ball rolls with-out slipping up a ramp that slopes upward at an angle î² to the horizontal. treat the ball as a uniform solid sphere, ignoring the finger holes. (a) draw the free-body diagram for the ball. explain why the friction force must be directed uphill. (b) what is the acceleration of the center of mass of the ball? (c) what minimum coefficient of static friction is needed to prevent slipping?
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The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively
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Explain what happens at the saturation point when adding salt to water at room temperature.
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Abowling ball rolls with-out slipping up a ramp that slopes upward at an angle î² to the horizontal....
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