Free Fall – falling under the influence of gravity only (no air resistance) One Dimensional Projectile Motion A projectile is an object for which the.

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Free Fall – falling under the influence of gravity only (no air resistance) One Dimensional Projectile Motion A projectile is an object for which the only force acting upon it is gravity. The force of air resistance is negligibly small or nonexistent for a projectile.

Free Fall - falling under the influence of gravity only (no air resistance) Purpose 1.If an object in free fall is moving with a uniformly accelerated motion. 2.If the motion of the object is uniformly accelerated, what is that uniform acceleration? 3.The relationship between the mass of an object in free fall and its acceleration. To determine Free Fall Activity

Free Fall - falling under the influence of gravity only (no air resistance) 1.Is an object in free fall moving with a uniformly accelerated motion? Yes, since the slope of the velocity vs. time graph is constant. (Straight line graph.) Free Fall Activity

Free Fall - falling under the influence of gravity only (no air resistance) 2.Since the motion of the object in free fall is uniformly accelerated, what is that uniform acceleration? Free Fall Activity Acceleration Due to Gravity ( g ) (Near the surface of the Earth)

Free Fall - falling under the influence of gravity only (no air resistance) 3.What is the relationship between the mass of an object in free fall and its acceleration? Galileo’s Law of Falling Bodies – In a vacuum, all objects fall with the same, uniform acceleration regardless of mass. Free Fall Activity DEMO!

Free Fall Activity Free Fall – falling under the influence of gravity only (no air resistance) Units:

Kinematic Equations Free Fall Activity Free Fall – falling under the influence of gravity only (no air resistance) Uniform Acceleration!