Tutorial 2 Questions

Tutorial 2
ME101 (Engineering Mechanics) 2014-2015 Sem II
Time: 8:00- 8:55 am
Note: Each question carries 10 Marks
Q1. The 20 kg homogeneous smooth sphere rests on two inclines as shown in Fig. 1. Determine
the contact forces at A and B.
Fig. 1
Fig. 2
Q2. Determine the tension T required to hold the rectangular solid in the position shown in Fig. 2.
The 125 kg rectangular solid is homogeneous. Friction at D is negligible
Q3. Determine the forces in members BE and CE of the loaded truss (using method of joints)
shown in Fig. 3, in which BC  CD .
Q4. In Fig. 4, determine the forces in members DE and DL by the method of sections.
Fig. 4
Q5. Identify the zero force member(s) in the truss shown in Fig. 5.
Fig. 5
Please refer to the following examples for additional reference on the topic:
Example Nos. 3/C, 3/1, 3/4, 3/5, 3/7, 4/2, 4/3