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It doesn't like any of my expression previously tried (30%) Problem S: A block is resting on a wooden plank. There is a hinge on
It doesn't like any of my expression previously tried
(30%) Problem S: A block is resting on a wooden plank. There is a hinge on one end of the plank which allows the other end to be lifted to create an angle, 0, with respect to the horizontal as shown in the figure. The coefficient of static friction between the block and the plank is gs. 9 33% Part (a) Please select the correct Free Body Diagram, where F is the force due to gravity, FN is the normal force, and Fs is the static Correct! 33% Part (b) The angle 8 is slowly increased. Write an expression for the angle at which the block begins to move in terms of us. acos(gs) atan(gs) sin(gs) acotan(gs) cos(gs) sin(0) 0 asin(gs) cos(0) d t 1 Feedback 9 6 3 o Submit Hints: Feedback: 33% Part (c) Ifa student measures that the block begins to move at an angle of 0 370, what is the numerical value of the coefficient of I = 0.7530 V Correct!
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