# 2 Main Question Consider a block (which may or may not be moving) on a slope...

###### Question:

2 Main Question Consider a block (which may or may not be moving) on a slope experiencing three forces as shown the diagram. The slope is at an angle of a 21° above the horizontal. The three forces are Fi, 1 and (with ing magnitudes F 150 bs., P140 lbs, and F 75 lbs. shown in the fiure a) Which force is gravity, which is the normal, and F1 what could the other force be? b) In the usual coordinates (e horizontal, y vertical), determine the net force in the r-direction. c) In the usual coordinates, determine the net force in the y-direction. net,y d) What is the magnitude and direction of the net force? (Hint: check to make sure this makes sense) Direction:

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