1. What makes projectile motion a two-dimensional type of motion?
2. A projectile is being analyzed to determine its horizontal displacement; which motion can be treated independently for that calculation?
3. In the standard projectile model, how is air resistance treated?
What type of motion is projectile motion?
Two-dimensional motion along independent horizontal and vertical axes.
What can be ignored when analyzing horizontal motion in projectile motion?
Vertical motion can be ignored.
What can be ignored when analyzing vertical motion in projectile motion?
Horizontal motion can be ignored.
When is air resistance considered in the standard projectile model?
Only if the problem explicitly includes it.
What value is typically used for gravitational acceleration in projectile problems?
9.8 m/s² or approximately 10 m/s² unless specified otherwise.
What is the direction and magnitude of acceleration for a particle under gravity alone?
Vertically downward with magnitude g.
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