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5 cards from this section. Quick, good the night before a test.
What does 'free fall' mean?
Think about what forces are acting on the object as it falls.
What is the value of 'g' on Earth?
This value represents how fast a falling object accelerates each second.
Which of the following equations describes free fall motion?
Focus on which equation relates to motion due to gravity.
True or False: An object in free fall accelerates at a constant rate.
Consider what happens if no other forces act on the object.
An object is dropped from a height of 45 meters. Calculate the time it will take to hit the ground and its velocity just before impact.
Separate the problem into two calculations: first for time, then velocity.
If an object takes 6 seconds to fall, what height did it fall from? Calculate its final velocity on impact.
Use the distance formula first to solve for height.
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