nozmathammy nozmathammy

28-03-2017
Mathematics

contestada

what is the minimum force required to prevent a ball weighing 24 lb from folling down a ramp which is inclined 27.2 degrees with the horizontal?

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Аноним Аноним

28-03-2017

Minimum force = mg sin(27.2) = 24 * 32.2 * 0.4571 = 353.25 lb ft/s²

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