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3.) An 80kg box is being lowered down a ramp with a 15 degree incline. The coefficient of static friction between the box and

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3 mgsino my mg cose mg coso 80x9.8* Los 15 757-2857 189.32 IN friction = MN 0.25% 757.28 > F - Engsino + en F-> 80x9.8 x&m 15

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