D www.webassign net/webstudent/Assignment-ResponsesMastldep 15345658 The in belo

Question

D www.webassign net/webstudent/Assignment-ResponsesMastldep 15345658 The in below shows two people pulling on a stubborn mule. (Take Fi 138 N and F2 71.0 N.) helicopter view the figure (a Find the single force that is equivalent to the two forces shown. direction 21 nesienie siers tom be correct answer by more than 10%. Double check your calculations. counterclockwise from the +x-axis (b) Find the force a third person would have to exert on the mude to make the net force equal to zero. four response differs from the correct answer by more than 10 your calculations counterclockwise from the +x-axis Double check 850 PM

Explanation / Answer

F = 138cos( 60.0 )° ˆ i + 138sin (60.0))° ˆ j 71.0cos( 75.0 )° ˆ i + 71.0sin (75.0 )° ˆ j

F = 69.0ˆ i + 119.51ˆ j 18.38ˆ i + 68.58ˆ j = (50.62ˆ i + 188.08ˆj )N

F = sqrt(50.62^2 + 188.08^2) = 194.77 N

= tan 1( 188.08/ 50.62) = 74.94 °

2. F3 = F = - (50.62ˆ i + 188.08ˆj  )N

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