ISP209s8 Lecture 3-1-Today• Announcements: – HW#2 is due Wednesday by 8:00 am– Extra Credit project #1 in on the LONCAPA website is also do next Wednesday at 8:00 am• Review•What is Force? Introduction
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ISP209s8 Lecture 3-2-Scalars, Vectors, and Tensors (Stress tensor)•Stress is defined as the force per unit area.•In a solid object each point has three values of stress (up, left, right)•The stress tensor describes the stress at all points in an objecthttp://en.wikipedia.org/wiki/Image:Stress_tensor.png