Lesson 7 & 8

Question 1

is a structure composed of slender members joined together at their end points.

Answer 1

truss

Question 2

commonly used in construction consist of wooden struts or metal bars.

Answer 2

members

Question 3

All _______ are applied at the joints

Answer 3

loadings

Question 4

The members are joined together by

Answer 4

smooth pins

Question 5

In order to analyze or design a truss, it is necessary to determine the force in each of its members.

Answer 5

Method of Joint

Question 6

If the entire truss is in equilibrium, then each joints is also in _________.

Answer 6

equilibrium

Question 7

The members of a plane truss atre straight two-force members lying in a single plane, each joint is subjected to a force system that is ______ and __________.

Answer 7

coplanar and concurrent

Question 8

When analyzing plane trusses, we need only two of the three equilibrium equations.

Answer 8

Method of Section

Question 9

In choosing a section of the truss, we note that not more than ______ members whose force are unknown should be cut.

Answer 9

Three

Question 10

Common tools such as pliers act as simple__________.

Answer 10

machines