Question

Based on Newton's first law, you can infer that, once started, a ball will continue to roll down a hill, unless a. an outside force acts upon it b. the hill is too steep c. the hill is covered in snow d. there is a house at the top of the hill.

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Answer 1

a is the correct answer.

Step-by-step explanation:

unless an outside force acts upon it, the ball doesn't stop and will continuing rolling down the hill.