Posted by Fate on Saturday, May 14, 2011 at 7:28am.
Fc=mg = 15kg * 9.8N/kg = 147N @ 30Deg = weight of cake.
1. Fp = 147sin30 = 73.5N = Force parallel to the plane downward.
2. F = ma.
a = F/m = 73.5 / 15 = 4.9m/s^2
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