9) During 5th period Dylan was a beast. She resisted the forces applied by 13 other students in her class all at once. Her. classmates tried to knock Dylan over, each applying a force of 17 N, and she still didn't budge. How much force was D pushing back with, and how many people would it take to push Dylan if she can withstand a force of 300 N?

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A: A constant net force act on object.

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A: Please see the answer in step 2

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!