© 2007 The McGraw-Hill Companies, Inc. All rights reserved.

SME1203: Statics

2 - 1

Problem solutions; Beer + Hibbeler books (week 5~8)

65o

25o

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2 - 2

HW2 continued…

4.8

3.4

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2 - 3

HW2 continued… 144

56

42 4.8

3.4

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2 - 4

HW2 continued…

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2 - 5

HW2 continued… Hint: Area is a cross product

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2 - 6

HW2 continued…

140

12o

40o 215

50

C

A

B

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2 - 7

HW2 continued…

15o

70o

5o

20o

80o

A

B

C

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2 - 8

HW2 continued…

1.32

0.1

1.8

0.12 0.96 0.72

A

B

D C

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2 - 9

HW2 continued…

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2 - 10

HW2 continued…

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2 - 11

HW2 continued…

125

φ

θ 225

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2 - 12

HW2 continued…

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2 - 13

HW2 continued…

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SME1203: Statics

2 - 14

HW2 continued… α 24N

24N 40N

40N

d

500

α

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2 - 15

HW2 continued…

12Nm

450 240

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2 - 16

HW2 continued…

125

50

75

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2 - 17

HW2 continued…

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2 - 18

HW2 continued…

1.5 0.5

0.5

0.5

60o

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2 - 19

HW2 continued… 2m

2m

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2 - 20

HW2 continued…

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2 - 21

HW2 continued…

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2 - 22

HW2 continued…

125N

240N

300N

75 60

90

30

50

150N

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2 - 23

HW2 continued…

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2 - 24

HW2 continued…

3m

100kN

50kN

40kN 50kN

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2 - 25

HW2 continued…

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HW2 continued…

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HW2 continued…

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2 - 28

HW2 continued…

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2 - 29

HW2 continued…

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2 - 30

HW2 continued…

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2 - 31

HW2 continued…

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2 - 32

HW2 continued…

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2 - 33

HW2 continued…

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2 - 34

HW2 continued…

1.25m

1m

20o

30o

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2 - 35

HW2 continued…

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2 - 36

HW2 continued…

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2 - 37

HW2 continued…

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2 - 38

HW2 continued… 1m 0.4m 0.5m 0.9m

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2 - 39

HW2 continued… 6m

4m 0.4m

0.5m

15o

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2 - 40

HW2 continued…

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2 - 41

HW2 continued…

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2 - 42

HW2 continued…

500mm

375mm

200mm 200mm

135N

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2 - 43

HW2 continued…

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2 - 44

HW2 continued…

1.2m 0.5m 1.8m 2.2m

1.2kN 1.8kN

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SME1203: Statics

2 - 45

HW2 continued…

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2 - 46

HW2 continued…

24cm

20o 20cm

30.5cm

120N

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2 - 47

HW2 continued…

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2 - 48

HW2 continued…

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2 - 49

HW2 continued…

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2 - 50

HW2 continued…

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2 - 51

HW2 continued…

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2 - 52

HW2 continued…

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2 - 53

HW2 continued…

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2 - 54

HW2 continued…

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2 - 55

HW2 continued…

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2 - 56

HW2 continued…

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2 - 57

HW2 continued…

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2 - 58

HW2 continued…

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2 - 59

HW2 continued…

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2 - 60

HW2 continued…

Fig for problem no. 4.61

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2 - 61

HW2 continued…(answer no. 61)

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2 - 62

HW2 continued…

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2 - 63

HW2 continued…

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2 - 64

HW2 continued…

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2 - 65

HW2 continued…(answer no. 62)

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2 - 66

HW2 continued…(answer no. 62)

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2 - 67

HW2 continued…(answer no. 62)

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2 - 68

HW2 continued…

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2 - 69

HW2 continued…

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2 - 70

HW2 continued…

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2 - 71

HW2 continued…

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2 - 72

HW2 continued…

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2 - 73

HW2 continued…

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2 - 74

HW2 continued…

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2 - 75

HW2 continued…

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2 - 76

HW2 continued…

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2 - 77

HW2 continued…

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2 - 78

HW2 continued…

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2 - 79

HW2 continued…

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2 - 80

HW2 continued…

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2 - 81

HW2 continued…

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2 - 82

HW2 continued…

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2 - 83

HW2 continued…

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2 - 84

HW2 continued…

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2 - 85

HW2 continued…

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SME1203: Statics

2 - 86

HW2 continued…

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SME1203: Statics

2 - 87

HW2 continued…(148)

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SME1203: Statics

2 - 88

HW2 continued…

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SME1203: Statics

2 - 89

HW2 continued…(149)

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SME1203: Statics

2 - 90

HW2 continued…

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SME1203: Statics

2 - 91

HW2 continued…

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SME1203: Statics

2 - 92

HW2 continued…

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SME1203: Statics

2 - 93

HW2 continued…

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SME1203: Statics

2 - 94

Please use this wisely.