WorksheetsChapter 3 Projectile Motion
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which does NOT involve acceleration?
a)
Coming to a stop
b)
Moving at a constant speed in a circle
c)
Moving at a constant speed in a straight line
d)
Speeding up from rest
2.
When velocity is positive and acceleration is positive, what happens to the object's motion?
a)
The object slows down.
b)
The object speeds up.
c)
The object remains at rest.
d)
Nothing happens to the object.
3.
Which would hit the ground first if dropped from the same height in a vacuum, a feather or a metal bolt?
a)
Feather
b)
Metal Bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in the vacuum.
4.
Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind velocity.
a)
Vector, scalar, scalar
b)
Scalar, vector, scalar
c)
Scalar, scalar, vector
d)
Vector, scalar, vector
5.
What is the path of a projectile?
a)
Wavy line
b)
Hyperbola
c)
Parabola
d)
Projectiles do not follow a predictable path
6.
What is true about the vertical motion of a projectile?
a)
It accelerates downward at 9.81 m/s2
b)
It accelerates upward at 9.81 m/s2
c)
It moves at a constant vertical velocity
d)
It cannot be determined
7.
What is true about the horizontal motion of a projectile?
a)
It accelerates backwards at 9.81 m/s2
b)
It accelerates forward at 9.81 m/s2
c)
It moves at a constant horizontal velocity
d)
It cannot be determined
8.
A passenger on a bus moving east sees a man standing on a curb. How does the man appear to move according to the perspective of the passenger?
a)
Stand still
b)
Move west with a speed less than the bus's speed
c)
Move west with a speed equal to the bus's speed
d)
Move east with a speed equal to the bus's speed
9.
A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. The airplane pilot measures an air velocity of 170 km/h to the north. What is the velocity of the wind that affects the plane relative to the ground?
a)
25 km/h; S
b)
25 km/h; N
c)
315 km/h; S
d)
315 km/h; N
10.
Which of the following is an example of projectile motion?
a)
A jet lifting off a runway
b)
A baseball thrown through the air
c)
A space shuttle taking off
d)
A train moving along a flat track
11.
Which of the following has magnitude and direction?
a)
Distance
b)
Scalar
c)
Speed
d)
Vector
12.
Which of the following has a magnitude but NO direction?
a)
Vector
b)
Scalar
c)
Resultant
d)
Frame of Reference
13.
What do you call a coordinate system for specifying the precise location of objects in space?
a)
Diagram
b)
Frame of Reference
c)
Model
d)
Scientific Method
14.
What is the most common frame of reference?
a)
Earth
b)
Sun
c)
Moon
d)
Mars
15.
A piece of chalk is dropped by a teacher walking at a speed of 1.5 m/s. How does the chalk appear to fall according to the teacher's frame of reference?
a)
Straight down
b)
Straight down and backward
c)
Straight down and forward
d)
Straight backward
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