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becsantos
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Homework Statement
A three-tiered birthday cake rests on a table. From bottom to top, the cake tiers weigh 16 N, 9 N, and 5 N, respectively. What is the magnitude and direction of the normal force ating on the second-tier?
Homework Equations
FN=FWcos(theta)
The Attempt at a Solution
5 N = .51 kg
9 N = .92 kg
16 N =1.6 kg