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Projectile Motion Ch. 3
A quantity in physics, such as force, that has both magnitude and direction.
A quantity in physics, such as mass, volume, and time, that can be completely specified by its magnitude, and has no direction.
An arrow whose length represents the magnitude of a quantity and whose direction represents the direction of the quantity.
The vector sum of two or more component vectors.
One of the vectors, often mutually perpendicular, whose sum is resultant vector. Any resulant vector may be regarded as the combination of wo or more components.
The process of resolving a vector into components. In optics, a measure of how well closely adjacent optical images are disinguished.
Any object that moves through the air or through space, acted on only by gravity (and air gravity resistance, if any).
An object that falls around earth or some other body rather than falling into it.
when the only force acting on an object is gravity
an object in free fall is know as a
neglecting air resistance all objects fall at the _________ _______
acceleration due to gravity (g)
zero initial velocity
if you drop an object, its speed will increase ______ every second
throwing an object downward is just like dropping an object, only with _____ _________
when you throw an object up, it has _______ initial velocity and ______ acceleration
you throw a ball straight up as it rises the ball slows down by _______ each second
you throw a ball straight up when it reaches the top of its path the ball's speed is...
you throw a ball straight up as it falls, the ball's speed increases by _________ each second.
9.8 m/s2 downward
you throw a ball straight up the entire time the ball's acceleration is...
you throw a ball straight up it takes the ball the _______ amount of time to rise as to fall
you throw a ball straight up the ball returns to you hand with the same _____ it left with
because gravity pulls straight ______ it only affects the ____________ motion of a projectile.
the horizontal velocity of a projectile always...
the vertical velocity of a projectile acts like an object in...
the curved path followed by a projectile under the influence of constant gravity only
the only thing that can cross the line of the columns of horizontal and vertical is....
horizontal acceleration always because the ball is in free fall
to give a projectile max height launch it at an angle of...
when launching a projectile from level ground the angle that will result in max range is...
_____________ ________ will result in the same range
frictional force air exerts on a moving object; acts opposite in direction to the object's motion
the total time the object is in the air
speed in a given direction
change in velocity
distance and direction of an object's change in position from the starting point
a quantity that has magnitude and direction`
a vector that is the sum of two or more other vectors
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