Simple Force and Motion problem?

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alexas
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if you look at the cars ordered from 1-6, going from left to right...

I was thinking...

2(541)36


541, being the same speed

But when i submit it to the system it is showing up wrong. Any ideas?
 
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  • Six panels of a car viewed from above, each with a speed of 2 m/s and different force arrows: 5 N up and 5 N down; 10 N forward; 10 N forward with 5 N arrows at the front-right and rear-right corners; 0 N; 10 N forward with 5 N arrows at the front-right and rear-right; 5 N forward-left with 5 N arrows at the front-right and rear-right.
    cars.JPG
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