Answer to Question #107740 in Classical Mechanics for Avalon

Question #107740
Max the dog is applying a force of 1547 N at 16.5 degrees from the horizontal on a sled. If the sled accelerates at 1.77 m/s^2, and the force of friction is 865 N, what is the mass of the sled?
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Expert's answer
2020-04-06T08:44:53-0400
ma=Fcos16.5Ffma=F\cos{16.5}-F_f

1.77m=1547cos16.58651.77m=1547\cos{16.5}-865

m=349 kgm=349\ kg


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