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True or False: The acceleration due to gravity depends on the shape of the object.
False – acceleration due to gravity is the same for all objects (ignoring air).
An object is dropped and falls for 6 seconds. Is its acceleration greater in the first second or the last second?
Same acceleration ( 9.8  m/s ^2 ) throughout the fall.
How far does an object fall in 10 seconds?
500 m
If you drop a rock and throw another rock downward at the same time, which one has greater acceleration (ignoring air resistance)?
Same acceleration – both experience g
True or False: An object in free fall has constant velocity.
False
Give a real-life example where free fall occurs (ignoring air resistance).
A stone takes 4 seconds to reach the ground when dropped. What was the approximate height? Take g=10 m/s^2
80m
What is the velocity of an object just before hitting the ground after falling freely for 3 seconds? Take g=10 m/s^2
30 m/s
If an object is dropped from a height of 20 m, will its acceleration change as it falls? Why or why not?
No
A ball is dropped from rest. After 2 seconds, what is its velocity?
20 m/s
True or False: The mass of an object affects the rate at which it falls in free fall.
False
What is the acceleration due to gravity on Earth (approximate value)?
g=9.8
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