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Back to 5.3 Elasticity: Stress and Strain

5.3 Exercise 19

Avg difficulty 2.5

When using a pencil eraser, you exert a vertical force of 6.00 N at a distance of 2.00 cm from the hardwood-eraser joint. The pencil is 6.00 mm in diameter and is held at an angle of 20.0º \text{20}.\text{0}º to the horizontal. (a) By how much does the wood flex perpendicular to its length? (b) How much is it compressed lengthwise?

OpenStax College Physics 2e, 5.3 Elasticity: Stress and Strain, exercise 19

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.