2.7 Falling Objects

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4 Terms

1
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What assumptions are made in free-fall problems?

Air resistance is ignored and acceleration is constant.

2
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What is the direction of free-fall acceleration?

Downward (usually taken as negative if up is positive)

3
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What is the velocity of an object at the peak of its motion?

Zero (but acceleration is 9.8 or -9.8 m/s2)

4
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Do heavier objects fall faster in free fall?

No, all objects fall at the same rate in the absence of air resistance.