Question

In screws there is an application of two and three force members. The basic difference between the two and the three force members used is ___________

(a) The former is collinear and the latter is parallel

(b) The former is parallel and the latter is perpendicular

(c) The former is perpendicular and the latter is collinear

(d) The former is acting on two points in the body while the latter is on three points

I got this question in my homework.

My question is from Frictional Forces on Screws topic in division Friction of Engineering Mechanics

Answer 1

Right answer is (d) The former is acting on two points in the body while the latter is on three points

The explanation is: The definition of the two force member only defines that the forces are being acted on the two points on the body. So does is the definition of the three forces members. The points of action of the three forces are three.