Processing Math: Done
To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.
|
jsMath
Solution 4.7b
From Mechanics
F1=86.6i+50j N
F2=−30.8i+84.6j N
F3=−80j N
Summing these vectors give their resultant
R=55.8i+54.6j N
The magnitude of this resultant is

55
8
2+
54
6
2=78
1 N