WorksheetsQuiz#3 Projectile Motion and Impulse and Momentum
Total questions: 20
Worksheet time: 15mins
A ball thrown straight up takes 8 total seconds to complete its journey all the way up and down. 1 second into its journey and 7 seconds into its journey the magnitude of its velocity will be ______________ and its direction _______________.
opposite, the same
the same, opposite
the same, the same
opposite, opposite
The initial horizontal velocity of a projectile is ____ its final horizontal velocity.
less than
equal to
greater than
What is true about the vertical velocity of a projectile launched horizontally?
It is initially at its maximum value.
It increases due to gravity as it falls.
It remains constant throughout its trajectory.
It decreases as it falls due to gravity.
What is the velocity of an object launched straight up at its highest point?
zero
equal to its vx
½ its maximum value
equal to gravity
The path followed by a projectile is also known as its
trajectory
range
height
vertical displacement
Once a projectile is launched, what is the only force that affects its motion?
mass
friction
inertia
gravity
Which of the following statements about the horizontal and vertical components of projectile motion is true?
Changes in the horizontal component occur only when the vertical component changes.
Both the horizontal and vertical components are always constant.
The vertical component changes while the horizontal component stays the same.
The horizontal and vertical components are dependent of each other.
Which of the following would NOT be considered a projectile?
A cannonball fired towards a distant castle.
A cannonball rolling down a slope.
A cannonball fired straight outward from a castle wall.
A cannonball after it rolls off the edge of a cliff.
In the diagram, which letter represents the horizontal displacement Δx ?
A
B
C
D
At what point is vy= 0 m/s?
A
B
C
D
None of these points
