Chapter 5 Physics 1 Projectile Motion Go through these flashcards at least once a day to get an...
-
Upload
abel-melton -
Category
Documents
-
view
216 -
download
0
Transcript of Chapter 5 Physics 1 Projectile Motion Go through these flashcards at least once a day to get an...
Chapter 5 Physics 1
Projectile Motion
Go through these flashcards at least once a day to get an “A”!
• For a vector, the arrow represents the ________ and _______ of the quantity.
magnitude and direction
True or False: Velocity is a scalar quantity
False, it’s a vector quantity
A scalar quantity includes only ___________.
magnitude
Example of a vector quantity
Force, acceleration, velocity
Example of a scalar quantity
Time, mass, volume, speed
An airplane flies in the same direction as the wind. The velocity of the airplane is the sum of the airplane’s velocity relative to the air and the wind’s velocity relative to the ground. True or False?
True
The result of adding two vectors is called the
___________.
The resultant
The resultant of a 3 unit and 4 unit vector that are perpendicular is __________.
5 units
Any vector can be resolved, or broken, into an equivalent set of two______________vectors at right angles to each other.
Horizontal and vertical
True or False? The two perpendicular components of a vector are independent of
one another.
True
The _____ component of velocity in projectile motion always changes with time.
vertical
The relationship between the horizontal and vertical
components of velocity is _____.
Independent. Don’t affect one another.
Ignoring air resistance, the horizontal velocity of a
projectile is ____________.
constant
The vertical motion of a projectile is the same as that of
a _____.
Freely falling object
The path that a ball follows when it rolls off a horizontal
desk is _____.
curved
The path of a projectile with constant horizontal velocity and a downward acceleration due to
gravity is ____.
A parabola
The path of a projectile is called its _____.
trajectory
The curved path of a projectile is caused by _______.
Gravity and (constant horizontal velocity and
increasing vertical velocity)
The equation for the distance a projectile falls below an imaginary straight line is _____.
D=1/2gt2
The vertical component of a projectile’s velocity at the top
of its path is _______.
zero