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Tutorial 3
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
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Q1. Determine the forces in the members AB, AC and AD of the space truss in Fig. 1. Point M is
the centroid of triangle BCD.
z
A
4 kN
m
3m
m
D
B
2m
m
y
2m
m
2m
m
C
x
Fig. 1
Q2. Determine the reaction at the roller F for the frame loaded as shown in Fig. 2.
Fig. 2
Fig. 3
Q3. The ramp shown in Fig. 3 is used as passengers board a small commuter airplane. The total
mass of the ramp and six passengers is 750 kg with mass center at G. Determine the force in the
hydraulic cylinder AB and the magnitude of the pin reaction at C.
Q4. Determine the reactions in Fig. 4 at A and B for the beam subjected to the distributed and
concentrated loads.
.
Fig. 4
Please refer to the following problems for additional reference on the topic (from Meriam and
Kraige):
Solved example nos.: 4/5, 4/8, 4/9, 5/12
Problem nos.: 4/84, 4/113, 5/99, 5/111