GED Science Practice Test 8
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Avg score: 50% Most missed: “Which car has the greatest unbalanced force acting on it?”

Use the following information for Questions below.

A student is testing out Newton’s laws of motion by applying different forces for 3 seconds to different-colored toy cars of the same mass (2 kg each). The cars start at rest. She records the data for the toy cars in the following chart.

Car Color - Car Acceleration (m/s2) - Final Velocity (m/s)
Red - 4.0. - 12
Orange - 2.0. - 6
Green - 0.0 - 0
Blue - 3.0. - 9

GED Science Practice Test 8
Time left 00:00
4 Questions

1. Which of the following statements is true?
2. At the end of the 3-second period, the red car collides with the green car, causing the red car to stop suddenly. What speed does the green car move off at?
3. Which car has the greatest unbalanced force acting on it?
4. What is the value of the unbalanced force acting on the green car?