We have three method to solve for the unknown force in the trusses. They are method of section, method of joints and rotational vector method.
(a) The first part of the statement is false and other part is true
(b) The first part of the statement is false and other part is false too
(c) The first part of the statement is true and other part is false
(d) The first part of the statement is true and other part is true too
The question was asked in class test.
This intriguing question originated from Method of Sections in section Structural Analysis of Engineering Mechanics