30. (a) Find the magnitudes of the forces F, and F, that add to give the total force For shown in Figure 4.35. This tot may be done either graphically or by using trigonometry. (b) Show graphically that the same total force is obtained independent of the order of addition of F and F2 : (C) Find the direction and magnitude of some other pair of vectors that add to give Ftot Draw these to scale'on the same drawing used in part (b) or a similar picture. Fiot = 20 N F2 Free-body diagram
30. (a) Find the magnitudes of the forces F, and F, that add to give the total force For shown in Figure 4.35. This tot may be done either graphically or by using trigonometry. (b) Show graphically that the same total force is obtained independent of the order of addition of F and F2 : (C) Find the direction and magnitude of some other pair of vectors that add to give Ftot Draw these to scale'on the same drawing used in part (b) or a similar picture. Fiot = 20 N F2 Free-body diagram
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Transcribed Image Text:30. (a) Find the magnitudes of the forces F, and F, that
1
add to give the total force For shown in Figure 4.35. This
a
may be done either graphically or by using trigonometry. (b)
Show graphically that the same total force is obtained
independent of the order of addition of F, and F,. (c) Find
the direction and magnitude of some other pair of vectors that
add to give F Draw these to scale on the same drawing
tot
used in part (b) or a similar picture.
20 N
%3D
tot
F2
Free-body diagram
FIot
F2
35°
F1
F,
Ficure A35
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