Physical Science Mr. Barry.  Projectile motion refers to objects that are flying through the air  Ex: thrown football, golf ball hit from tee  These.

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Presentation transcript:

Physical Science Mr. Barry

 Projectile motion refers to objects that are flying through the air  Ex: thrown football, golf ball hit from tee  These objects follow a curved path

 Horizontal  Constant Speed (No force applied in the x- direction)  Vertical  Constant force in the y-direction: GRAVITY  Causes objects to decrease speed as they rise and increase speed as they fall (remember the marble free fall lab)  Example: a fired bullet will land at the same time as a dropped bullet if both begin with the same horizontal speed (zero)

 Changing the angle at which projectiles are released can cause them to travel further and stay in the air longer if the force remains the same

Notice: v x remains the same and v y increases. What causes this to happen?