Worksheetskinematics
Total questions: 16
Worksheet time: 9mins
Name
Class
Date
1.
A quantity that is has magnitude and direction is referred to as a
a)
vector quantity
b)
scalar quantity
2.
An object can be moving for 10 seconds and still have zero displacement.
a)
True
b)
False
3.
You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement?
a)
6 km
b)
0 km
4.
A _________ quantity is completely described by magnitude alone. A _________ quantity is
completely described by a magnitude with a direction.
completely described by a magnitude with a direction.
a)
vector, scalar
b)
scalar, vector
5.
Speed is a __________ quantity and velocity is a __________ quantity.
a)
scalar, vector
b)
vector, scalar
6.
A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?
a)
810 km
b)
2.5 km
c)
3.6 km
d)
360 km
7.
An object is NOT accelerating if it is moving
a)
in a circle
b)
at constant velocity
c)
at increasing speed
d)
only as influenced by gravity
8.
A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is
a)
6 m/s/s opposite the motion
b)
2m/s/s in the direction of motion
c)
8 m/s/s opposite the motion
9.
A cheetah travels 75 m in 3 s. What is her velocity over the interval?
a)
225 m/s
b)
25 m/s
c)
0.04 m/s
10.
A cheetah travels 75 m in 3 s. Her velocity of 25 m/s over the interval is
a)
instantaneous
b)
average
11.
What is the average velocity of the object between 0 and 10 seconds?
a)
6.0 m/s
b)
1.5 m/s
c)
-4 m/s
d)
0 m/s
12.
What is the average velocity of the object between 10 and 15 seconds?
a)
6 m/s
b)
1.5 m/s
c)
-4 m/s
d)
0 m/s
13.
What is the average velocity of the object between 15 and 40 seconds?
a)
6.0 m/s
b)
1.5 m/s
c)
-4 m/s
d)
0 m/s
14.
What is the rate of acceleration of the object between 0 and 4 seconds?
a)
1 m/s
b)
0 m/s2
c)
-1 m/s2
d)
1 m/s2
15.
What is the velocity of the object between 4 and 5 seconds?
a)
0 m/s
b)
5 m/s
c)
1 m/s
d)
2 m/s
16.
Which graph(s) represents a constant velocity?
a)
a and c
b)
b and c
c)
c
d)
a and b
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