Acceleration (m/s²) 0.42 0.14 0.10 0.20 0.30 0.50 Force Sensor Reading (N) 6. Using the straight line from the graph (not individual data points) calculate the mass of the cart used by the perfectly coordinated student. Make sure to show units during your calculation.

Q: m 100 kg 1 m

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”