Physics: Engineering Mechanics I Chapters 1, 2, 3 1.

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Presentation transcript:

Physics: Engineering Mechanics I Chapters 1, 2, 3 1

Units SI Length MassTime U.S. Customary LengthMassTime 2

Weight and Mass (US units)!?!?! Force (lb f ) Mass (lb m, slugs) 3

Unit Conversion Example Convert kg m 2 /s 2 to U.S. Customary units 4

Chapter 3 - Vectors 5

6

7 b =7 i + 3 j 7 i 3 j

8

9 Chapter 2 –Motion Along a Straight Line

Motion – intro position displacement 10

speed velocity 11

Average velocity Instantaneous velocity 12

13 Position x Velocity v Acceleration a

14 Average velocity Instantaneous velocity acceleration

Constant Acceleration 15

Method 1 16

17 Method 2

18 Method 3

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