## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 2 - Reading Check Questions (Comprehension): 12

#### Answer

A pair of one-pound forces at right angles will have a resultant of $\sqrt 2$ pounds, along the line that is halfway between the two forces.

#### Work Step by Step

This is found by the parallelogram rule (page 29). $$(1 lb)^{2} + (1 lb)^{2}=x^{2}$$ $$x=\sqrt 2 lb$$

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