Two snowcats tow a housing unit to a new location at McMurdo Base, Antarctica, as shown in the figure. The sum of the forces F_A and F_B exerted on the unit by the horizontal cables is parallel to the line L, and F_A=4200 N. Determine F_B? Determine the magnitude of F_A+F_B?

abondantQ 2021-02-19 Answered

Two snowcats tow a housing unit to a new location at McMurdo Base, Antarctica, as shown in the figure. The sum of the forces FA and FB exerted on the unit by the horizontal cables is parallel to the line L, and FA=4200 N. Determine FB? Determine the magnitude of FA+FB?
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Expert Answer

l1koV
Answered 2021-02-21 Author has 100 answers
sum of forces is along line L
so they must be balancing in horizontal components
Fbsin(30)=Fasin(50)
Fbsin(30)=4200sin(50)
Fb=6434.7733222 N
net force Fa+Fb=Facos(50)+Fbcos(30)
=4200cos(50)+6434.7733222cos(30)
=8272.3851253 N
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