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A museum curator moves artifacts into place onmany different display surfaces. Con- sider the following table giving approximate values for...

A museum curator moves artifacts into
place onmany different display surfaces. Con-
sider the following table giving approximate
values for coefficients of friction:
The acceleration of gravity is 9.81 m/s2 .
Materials μs μk
steel on steel 0.74 0.57
aluminum on steel 0.61 0.47
rubber on dry concrete 1.0 0.8
rubber on wet concrete – 0.5
wood on wood 0.4 0.2
glass on glass 0.9 0.4
waxed wood on wet snow 0.14 0.1
waxed wood on dry snow – 0.04
metal on metal (lubricated) 0.15 0.06
ice on ice 0.1 0.03
Teflon on Teflon 0.04 0.04
synovial joints in humans 0.01 0.003
a) What is Fs,max for moving a 164 kg
aluminum sculpture across a horizontal steel
platform?
Answer in units of N

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