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Final

GVPT 100 Lecture 1: BSCI 207 S19 HW 6_7Exam


Department
Government and Politics
Course Code
GVPT 100
Professor
Irwin Morris
Study Guide
Final

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BSCI 207 Spring 2019
Homework 6/7
Please type your answers into this document and upload to ELMS by
11:59 P.M., Tuesday, 14 May
You may work on this homework on your own or discuss it with others. If you work through
questions with others, be sure to turn in your own work, at the level at which you understand it.
Do not simply copy answers from or for someone else (such behavior constitutes a violation of
the University of Maryland Honor Code and could result in an XF in the course or even
expulsion from the University). Similarly, sharing this document without the explicit
permission of the author (Leo Shapiro) is a copyright violation as well as a violation of the
University of Maryland Honor Code and could result in an XF in the course or even expulsion
from the University.
Questions such as these will show up on exams, so be sure to work to understand how to arrive
at the answers.
LEVERS
(1) Below is a diagram of an alligator skull. “Effort” indicates where the muscle
contracts to close the jaws.
a) (2 pts) Does the lever system represented by alligator jaws chomping down on
a tasty morsel represent a Class 1, Class 2, or Class 3 lever? Explain.
b) (2 pts) Is the force advantage (=mechanical advantage) less than 1, 1, or
greater than 1? Explain what this means and how you determined the FA.
c) (2 pts) Is the velocity advantage less than 1, 1, or greater than 1? Explain
what this means and how you determined the velocity advantage.
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