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What is the minimum force required to prevent a ball weighing 22.6 lb from rolling down a ramp which is inclined at 39.0 with the horizontal?

User IPeter
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2 Answers

7 votes
22.6sin[39.0]= 21.78
User Zhan
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2 votes

Answer:

D) 14.22

Explanation:

I take the test.

User Omeralper
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