WorksheetsProjectile Motion Choose Equation
Total questions: 26
Worksheet time: 23mins
If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?
0s
1s
3s
4s
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.
If two projectiles are launched at two different heights, 2m and 10m, which one will reach the ground first?
2m
10m
they both will hit the ground at the same time
Which hits the ground first if they start at the same height: a dropped ball or a ball launched with a
horizontal velocity?
the launched ball
the dropped ball
they both hit at the same time
What is the vertical velocity of an object launched straight up at its highest point?
zero
equal to its vx
½ its maximum value
equal to gravity
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.
Victor Velocity is standing on top of the roof of his house, firing stones with his slingshot over a level field. He is aiming straight outward, horizontally. If Victor pulls back harder on the sling to shoot a stone, which of the following quantities will be changed?
The vertical displacement of the stone.
The distance the stone travels, and the horizontal velocity.
The time it takes the stone to strike the ground, and the horizontal velocity.
What is the sign of vertical acceleration at point B
+
-
0
What happens to the horizontal velocity Vx when the ball moves from A to B (going up)
increases
decreases
remains constant
What happens to the vertical velocity Vy when the ball moves from A to B (going up)
increases
decreases
remains constant
A projectile is launched with 45m/s at an angle 30o above the horizontal. What is the Vx when the projectile hits the ground.
22.5 m/s
35.7 m/s
39 m/s
45 m/s
3 rocks are launched with identical speeds as shown below. What is true about the speeds when the rocks hit the ground.
Vy1 = Vy2 > Vy3
Vy1 > Vy3 > Vy2
Vy2 > Vy3 > Vy1
Vy3 > Vy2 > Vy1
Vy1 = Vy3 > Vy2
Projectile motion is defined as the motion of an object that being projected and ____________________________.
moves in space freely under the influence of gravity
moves freely under the influence of constant velocity
moves in space freely under the influence of force
moves freely under the influence of constant acceleration
What is the vertical acceleration of a projectile?
0 m/s2
-9.8 m/s2
Vy=9.72 m/s
Vy=20.8 m/s
Vy=19.72 m/s
Vy=9.72 m/s
Which of the following sketches shows the correct Position-Time graph for the horizontal motion of a projectile?
Which of the following sketches shows the correct Velocity-Time graph for the horizontal motion of a projectile?
Which of the following sketches shows the correct Acceleration-Time graph for the vertical motion of a projectile?
Which of the following sketches show the correct Acceleration-Time graph for the horizontal motion of a projectile?
