Static equilibrium helpppp plss can’t seem to solve it c: Static equilibrium hel

Question

Static equilibrium helpppp plss can’t seem to solve it c: Static equilibrium helpppp plss can’t seem to solve it c: Static equilibrium helpppp plss can’t seem to solve it c: PRE-LAB STATIC EQUILIBRIUM Solve the EXAMPLE PROBLEM in the INTRODUCTION by using the polygon method. Use an 8.5" x 11" sheet of paper (or the back of this page) so that you can create a large-scale vector diagram and thereby obtain results of greater accuracy. Draw your vectors to scale using a ruler and use a protractor to establish their directions on your diagram. Record your results below. Compare your results with the analytical results in the EXAMPLE PROBLEM. Attach your vector diagram. Magnitude of the net force = Direction of the net force

Explanation / Answer

component of F2 in x-direction = F2 cos 60 = 1 cos 60 = 0.5 N

Component of F3 in x-direction = F3 cos 30 = 1.5 cos 30 = 1.3 N

Net force in X-direction = 2.5 - 0.5 - 1.3 = 0.7 N

Component of F2 in y-direction = F2 sin 60 = 1sin 60 = 0.866 N

Component of F3 in y-direction = F3 sin 30 = 1.5 sin 30 = 0.75 N

Net force in y-direction = 0.866 -0.75 = 0.116 N

Net force = sqrt(0.7^2 + 0.116^2) = 0.71 N

angle = tan^1-(0.116/0.7) = 9.4o

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