Practice Free Fall (6.4) - Gravitation

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9 questions

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Exercise
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6 sample questions

Question 1.
What is free fall?
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Think about what forces are acting on the object.
Question 2.
What is the approximate value of acceleration due to gravity on Earth?
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Remember the number associated with gravity.
3Question 3.
What is the acceleration due to gravity on Earth?
- 9.8 m/s²
- 10 m/s²
- 8.9 m/s²
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It's the standard value for gravity.
4Question 4.
True or False: A feather and a hammer fall at different rates in the absence of air resistance.
- True
- False
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Remember the principle behind Galileo's experiment.
Question 5.
You drop an object from a height of 45.0 meters. How long will it take to reach the ground? Use the formula s = ½gt².
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Focus on breaking down the formula to isolate 't'.
Question 6.
An object reaches a final velocity of 39.2 m/s in free fall. How long was it falling? What height did it fall from?
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Look for the time and distance formulas.

5 more questions in this section. Enroll free to practise them all.