Download 150 320 1110 F P Q B A D C E y x P1 P1

4.30 B14. Box B has a weight P. It is in equilibrium on the frictionless incline. The cable BC is in
horizontal direction. Determine the tension in the cable AB and the pressure on the surface. What
must be the weight of D to lift the box B from the surface?
.
A
B
C
α
D
B76. Determine force F to keep the barrel in equilibrium. The dimensions are in mm.
F
1110
150
Q
P
320
M4.1 Two masses are connected by the cable are in static equilibrium. Determine the angle α, if
load C is 10 N, load D is 20 N and weight of the boom AB is 20 N. AB=1.5 AD.
B
α
C
A
D
B114. Plate BCED is loaded as shown and is held in equilibrium by cable AE. Determine reaction
at C and tension in the cable. P1 = 17.3 N, P2 = 120 N, angle BED = 600.
P1 D
y
B
P1
E
C
A
x
Ja12.15. Determine the centroid of the area shown , assuming that they are constructed from the
homogenous plate. All dimensions are in cm.
y
10
7
10
x
O
φ10
φ30
B, 127. For the load and supports shown, determine the reactions. Neglect the weight of the beam.
y
α
q
C
A
B
x
a
l
8.8 Using method of joints, calculate the force in each member of the truss shown.
F = 40 N and a = 30 cm. (Ja 1.19 – 1.20)
B
D
F
H
F
60
o
A
C
a
G
E
a
a
Figure P8.8
8.51 Determine forces in the members IJ, JD and CD.
F1 = 20 N, F2 = 30 N, F3 = 40 N, F4 = 10 N, F5 = 60 N, a = 20 cm.
F3
F1 H
G
F
I
D F4
a
F2
J
C
B
a
a
E
A
a
a
a
(241 -249) Determine forces in all members of the truss when a = 50 cm and P1=P2=25 kN, P3=30
kN P4=40 kN, and P5=20 kN.
P2
a
a
a
P1
B
A
8.? – 8.? Determine forces in each truss member , when P = 3 kN, Q = 2 kN, a = 20 cm, b =40cm
and c = 50 cm. Force P is always acting along the line AB and force Q along the line DE.
Q
D
6
1
B
A
P
3
2
E
4
a
c
5
b
10.1 Calculate the internal forces in the 13m long cable holding the
street sign shown in Figure P10.1. Its weight is 80N. The distance
between the attachment points is 12m, they are at the same height
from the street level. The sign is located 5m from the left attachment
point.
Figure P10.1.Street sign
Get more problems for concentrated load !!!!!!
B143 The weightless beam AB is held in equilibrium by cables as shown and loaded by force P
and moment M. Determine tension of the cable DE.
D
K
E
a
A
F
b
B
208. The system is held in equilibrium by a force P=225 N. What is the value of the moment MT?
Coefficient of friction is µ = 0.5, force in the spring 100 N, OA = 50 cm, OB = 25 cm, O1N =
O1K = O1O2 = 40 cm, O2N = 20 cm; h = 60 cm, β = 900, α = γ = 600 . (Fig. ___).
A
β
P
O
α
B
MT
D γ
γ E
h
h
O1
N
K
O2 M
The point C, which connects the members DC, BC and EC, is missed
Ja4.12
P1
q
45°
A
60°
D
2.0
4.0
4.0
Ja5.4
3
q
A
C
1
1
B
4
4.5 Determine the resultant of the three forces shown.
700 N
450
300 N
y
M1
E
C
B
2.0
P2
300
30
400 N
0
x
Figure P4.5
2.0
2.0
M6.6(215) Determine the forces in the cable AB and the rods AD and AC that are loaded by the
force Q = 180 N, when AB =170 cm, AC = AD = 100 cm, CD = 120 cm, CK = KD and the triangle
ACD is in the horizontal plane.
B
D
A
K
C
Q
50
B101. The link is loaded as shown. Determine the force P and reaction at A, when P1 = 100 N, P2 =
150 N and P3 = 200 N. All dimensions are in cm.
P
A
P2
P1
20
10
10
P3