QUIZ5Blue

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Published on 31 Jan 2019
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QUIZ%5%Blue,%PHY%191%B,%Friday,%Oct%7,%2016%(15%pts)%%
[see$both$sides$of$sheet!]$$
SHOW$WORK$CLEARLY$OTHERWISE$ZERO$CREDIT!!$
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Question 1:
A 1.5 kg wood block is pressed against a vertical wood wall by the
40N force shown in the figure.
If the block is initially at rest, will
a) the block move upward?
b) the block move downward?
c) the block stay at rest?
The coefficients of static and kinetic friction for
wood on wood are 0.2 and 0.1 respectively.
ANSWER: ________________________ (1 pt)
REASONING: (6 pts)
TURN SHEET OVER
%
60
0
1.5 kg
40 N
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