Question

1. Use the kinematic equation, d_f = ½ at², to calculate the acceleration of each object in Table 1. Record the calculated acceleration in Table 1.

2.    Show a sample calculation:

Table 1: Average Free Fall Time for Various Objects
Drop Height (m)	Object	Average Free Fall Time (s)	Calculated Acceleration (m/s2)
0.865 ± 0.001	Coffee filter	0.625
	Cork	0.435
	Marble	0.424
	Wooden Block	0.421

3. Answer all of the Post-Lab Questions (Note: Information to help with these questions may be available in the Gravity Lab Introduction)

1. How does the rate of acceleration you calculated for each object compare? Are they similar or different? Why?

2. The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the equation if the object was 100,000 meters above the ground?

3. How does air resistance alter the way we perceive falling objects?

4. Is the force acting on a massive object larger than that acting on a less massive one? How can you verify this without taking any measurements?

Answer 1

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