Projectile motion Flashcards


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created 1 year ago by ashipman
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1

Object

Projectile

2

Path

Trajectory

3

assumed to be constant

Horizontal Component

4

horizontal distance

-depends on horizontal component and time

range

5

also known as 2 dimensional motion

projectile motion

6

An object that is thrown has a(n) _____ horizontal velocity that is equal to ____

constant, zero

7

In both cases, there is no horizontal force acting on the projectile after it is released, so there is no horizontal ____

increase

8

Both a thrown object and a dropped object are accelerated downward by the _____

force of gravity

9

The amount of acceleration of the thrown object is ____ the amount of acceleration of the dropped object.

equal

10

A projectile launched from a moving source will have different trajectories when seen by observers with different ____

points of view

11

An observer moving with the source of the projectile will see the trajectory as having no _______ component.

horizontal

12

However, an observer not moving with the source of the projectile will see the trajectory as having both a(n) ______ and _____ component

horizontal, vertical

13

If a projectile is launched horizontally, its initial horizontal velocity may vary, but the initial vertical velocity is ____.

zero

14

As the projectile follows its trajectory, its vertical velocity _____ while its horizontal velocity _____

increases, stays the same

15

When the object returns to the launch position, the vertical speed is _____ as it was at the launch and its direction is ______

equal, opposite