Problems:

2-20

2-32

2-38

2-54

2-62

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Answers:

2-20	FA = 774 N; FB = 346 N
2-32	(a) F = ( -8 i + 6 j ) lb (b) F = ( -5.00 i + 8.66 j ) lb (c) F = ( -6 i + 8 j ) lb (d) F = ( 8 i - 6 j ) lb
2-38	FR = 1.03 kN; theta = 87.9o
2-54	P = 1.48 kip (1 kip = 1000 lb); P = 417 lb
2-62	FR = 39.4 lb; alpha = 52.8o ; beta = 141o ; gamma = 99.5o

Hints:
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