Answer to Question #151438 in Physics for Cathy

Question #151438
Assume the frictional force on the boat is equal to 1804 N, and the boat is accelerating at a rate of 1.20 m/s2. What force does the truck need to pull on the boat- counteracting the friction- to accelerate it if the trailer (boat) has a mass of 300 kg
1
Expert's answer
2020-12-17T09:03:41-0500

According to the second Newtons low


"F-F_f=ma\\to F=ma+F_f=300\\cdot1.2+1804=2164(N)"


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