Which of the following is false about two-force members? a. The line of action of the internal force in the member is always known. b. The external forces act at only two points on the member. c. The magnitude of the internal force is constant along the length of the member. d. The direction of the internal force in the member is always know/ Which of the following internal forces (and moments) prevents relative rotation about the y-axis of a member? a. Fx b. Fy c. My d. Mz

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.4P: Find the internal force systems acting on sections 1 and 2.
Question

Which of the following is false about two-force members?

a. The line of action of the internal force in the member is always known.

b. The external forces act at only two points on the member.

c. The magnitude of the internal force is constant along the length of the member.

d. The direction of the internal force in the member is always know/

 

Which of the following internal forces (and moments) prevents relative rotation about the y-axis of a member?

a. Fx

b. Fy

c. My

d. Mz

 

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