P5 - Projectile motion Flashcards
1
Q
What is a projectile?
A
A projectile is the name given to any object that moves in Earth’s gravitational field, such as:
- balls
- darts
- long jumpers
2
Q
What is a trajectory?
A
The path of a projectile.
3
Q
What is the horizontal distance a projectile travels called?
A
Its range.
4
Q
What does the range depend on?
A
The launch angle which must be over 45* in order to achieve maximum range.
5
Q
Why is horizontal velocity constant?
A
There is no force in a horizontal direction.