# Nahmir's Problem

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#### Storyboard Description

This illustration describes Newton's Second Law of Motion because it explains the idea that the acceleration of an object depends on its mass. In this scenario, we could see Nahmir and Jay playing tennis with both a watermelon and a tennis ball. We also know that the watermelon is much heavier than a tennis ball. With Nahmir and Jay putting the same amount of force hitting both the watermelon and the tennis ball with the tennis racket, the tennis ball would have a higher acceleration rate than the watermelon because of the difference in masses.

#### Storyboard Text

• One day, Nahmir brought a watermelon and his tennis racket to the public park. ﻿
• ﻿Nahmir's friend, Jay, also came to play tennis with Nahmir and brought a tennis ball and a racket.
• Nahmir and Jay played with the watermelon. But they realized that they couldn't hit the watermelon far enough to play with each other. ﻿
• ﻿Nahmir and Jay played with the tennis ball. They gladly realized that they were able to hit the tennis ball far enough to play games with each other.
• After a game of tennis, Jay left the tennis court because of his heavy load of homework.﻿ But this left Nahmir confused about why the tennis ball went farther than the watermelon.
• Remembering Newton's Second Law of Motion, he knew that the acceleration of an object depends on its mass. Later, he figured if Jay and him placed the ﻿same amount of force on objects of different masses, the acceleration of both objects would differ. Specifically, the watermelon's greater mass wouldn't accelerate as much as the tennis ball, which would have lesser mass.
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