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A 50 cm by 20 cm block weighing 150 N is to be moved at aconstant velocity of .8m/s on an inclined surface of 20 degreesfrom horizontal with a friction coefficient of .25.
a. Determine force F that needs to be applied in thehorizontal direction to move the block.
b. If a .3mm thick oil firm with a dynamic visocity of .015 Pas is applied between the block and inclined surface determine thehorizontal force F required to move the block
c. Determine the percent reduction in the required force when the oil film in b. is placed between the block and slope
How to determine maximum positive and maximum negative factored design moments at a certain point
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A rectangular plate 5ft by 4ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is (a) at the wate..
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