Your old toy train from pre-school days consists of three cars: M 1 = 0.4 kg, M
ID: 2254178 • Letter: Y
Question
Your old toy train from pre-school days consists of three cars: M1 = 0.4 kg, M2 = 0.2 kg, and M3 = 0.1 kg. You pull the cars with a force F = 4.0 N.
If friction can be neglected, what is the difference in the tensions between the two ropes, FA - FB?
Give your answer in Newtons to three significant digits.
Your old toy train from pre-school days consists of three cars: M1 = 0.4 kg, M2 = 0.2 kg, and M3 = 0.1 kg. You pull the cars with a force F = 4.0 N. If friction can be neglected, what is the difference in the tensions between the two ropes, FA - FB?Explanation / Answer
a=4/(0.4+0.2+0.1)=5.71m/s^2
F-Fa=0.4*5.71
Fa=1.71N
Fa-Fb=0.2*5.71=1.14N
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