An 900 kg purple pickup truck tows a small 200 kg trailer, Ask an Expert

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An 900 kg purple pickup truck tows a small 200 kg trailer using a relatively lightweight tow rope as shown in the animation. The position of the trailer is given in m and time is in s.

a) What is the magnitude of the net force on the entire system (truck and trailer)?

b) What is magnitude of the net force on the trailer?

c) What is the magnitude of the net force on the truck?

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