Question: on E 0 0 0 0 0 0 0 At a mail sorting facility, packages slide down a ramp but are stopped part way down
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At a mail sorting facility, packages slide down a ramp but are stopped part way down the ramp so that they can be scanned. While the packages are scanned, they are held in place by a horizontal force from a springloaded arm.
The ramp makes an angle of with the horizontal.
The package has a mass of kg The coefficient of static friction between the ramp and the package is
Calculate the minimum force that this arm must apply to hold a package on the ramp.
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