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Danny wants to construct a device that demonstrates one of Newton's laws of motion. He makes a small cart and adds marbles to it. He then places it on a ramp with a small wall at the end of the ramp. When
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Danny wants to construct a device that demonstrates one of Newton's laws of motion. He makes a small cart and adds marbles to it. He then places it on a ramp with a small wall at the end of the ramp. When he releases the cart, it accelerates down the ramp until it hits the small wall at the end. His setup is shown below.

User Koalo
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Answer: D. It shows Newton's first law of motion, which states that an object tends to stay in motion unless an outside force acts upon it.

Step-by-step explanation:

Newton's first law of motion states that an object tends to stay in motion unless an outside force acts upon it.

User DorBB
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