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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, spring-loaded arm. Calculate the force that must be applied by this arm to hold a package on the ramp. The ramp is at an angle of 31.5 degrees with the horizontal. The package has a mass of 9.25 kg. the coefficient of static friction between the ramp and the package is .385. (keep in mind that the spring-loaded arm is not parallel to the ramp, but horizontal.)

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