A late traveler rushes to catch a plane, pulling a suitcase with a force directed 30.0 degrees above the horizontal. If the horizontal component of the force on the suitcase is 60.6 N, what is the force exerted on the handle?
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If F is the force applied on the handle, its horizontal component is F cos 30.
[ Note that cos θ = adjacent / hypotenuse.
F cos 30 = 60.6
F = 60.6 / cos 30 = 69.97 N