Which of the following statements is true Stephanie Saylor Foundat

Question 16 / 40: Which of the following statements is true for a two-dimensional statically determinate truss?

I. There are at most two unknown forces at a pin joint.

II. The forces in the truss are independent of material properties.

III. Joint displacements need not be considered to calculate the internal forces.

A Both I and II

B II only

C I, II, and III

D Both II and III

E Both I and III

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Explanation:

For a statically determinate truss, only the equations of static equilibrium are required to solve for the internal forces. Material properties and displacements need not be considered. See sub-subunit 2.3.1.

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https://www.jobilize.com/mechanics-i-mcq-quiz-by-stephanie-redfern-ranjeet-agarwala

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Mechanics I ME102

Author:

Stephanie Redfern

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Stephanie Redfern, Ranjeet (Ron) Agarwala, and Dr. Steve Gibbs. Mechanics I. The Saylor Academy 2014, http://www.saylor.org/courses/me102/

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