6. Intro to Forces (Dynamics)
Forces in Connected Systems of Objects
Multiple Choice
Multiple ChoiceA toy train consists of an engine, followed by a boxcar, followed by a caboose. All have mass m. When the engine's wheels provide a force F in the forward direction, the train has acceleration a. What is the magnitude of the force of the boxcar on the caboose? Ignore any frictional effects.
A
F/2
B
2/3 F
C
F
D
2F
E
3F
F
F/3
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