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OpenStudy (hkmiu):
What is the minimum force required to prevent a ball weighing 22.6 lb from rolling down a ramp which is inclined at 39.0649-11-03-00-00_files/i0260000.jpg with the horizontal? a. 7.1 lb c. 17.6 lb b. 8.8 lb d. 14.4 lb
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OpenStudy (anonymous):
There's no image
OpenStudy (hkmiu):
whoops. bbut its ok i figured it out
OpenStudy (anonymous):
Alright :)
OpenStudy (anonymous):
Without a drawing I can tell you could've used conservation of energy.
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