Projectile Motion Flashcards
What is a projectile
any object not in contact with the ground that is allowed to move under the influence of gravity and no other external forces
The acceleration of a projectile is ____
Constant
An object in flight on earth will always follow …
a parabolic path
What is a parabola
A symmetrical curve
When an object is through of released only _____ is acting on it
One force, gravity
What do we know about vertical velocity if an object takes off and lands at the same height
The vertical component of velocity at the beginning of the flight is equal but opposite to the vertical component and the of the flight
When an object is not in contact with the ground it’s horizontal acceleration is ___
0
Horizontal velocity … throughout flight
stays constant
What is the optimal angle of release for height
90 degrees straight up
What is the optimal angle of release for distance
45 degrees
