KINE 4900 Final: Linear Kinematics of a Projectile Lecture Notes Clear and concise notes taken during lecture. (Received an A)
2 Sep 2015
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Document Summary
A projectile is a body that only has the forces of gravity (vertical) and air resistance (horizontal) acting upon it. If something has lift ie an airplane wing then there are other forces acting upon it not a projectile. Horizontal and vertical components are analyzed separately. The pattern of change in the vertical velocity of a projectile is symmetrical about the apex (ie halfway through the flight) If you drop a ball or throw a ball at an angle you have the same acceleration (9. 81 m/s for gravity) and thus the same vertical velocity. Defined as the flight path of the centre of gravity of a projectile. Increase in angle=increase in vertical, decrease in horizontal; 45 degrees=optimal for horizontal distance (up and forward velocity is the same) Relative height of projection: difference between starting height and ending height; obviously the higher you start, the farther it will go. Horizontal displacement: horizontal velocity, flight time.
