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Only the force of gravity influences objects in free-fall. If we were to drop a quarter and feather 6’ above the ground theoretically they should fall with the same speed and hit the ground at the same time. We all know that the quarter will hit the ground long before the feather does so how is it possible for both objects to experience the same force and land at the same time? On earth gravity is the force pulling us towards the ground. For objects in free fall the force is equal to acceleration, which on earth is 9.8 m/s2. Using Newton’s laws of motion students will demonstrate the relation between mass, force, and acceleration during free-fall.
Students will learn about Newton’s laws of motion by demonstrating the relationship between mass, force, and acceleration during free-fall.
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