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Chapter 3 Quiz Review Part 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

A plane is flying 167 mph and encounters a 20 mph tailwind. Calculate the resultant velocity.

a)
125 mph
b)
130 mph
c)
157 mph
d)

187 mph

2.

Wind velocity can be represented as a vector quantity.

a)
true
b)
false
3.

The vertical component of velocity for a projectile is constant even with no air resistance.

a)
true
b)
false
4.

Calculate the resultant velocity of a pair of 102 km velocities at right angles to each other. Round to the nearest whole number.

a)
17 km/h at a 45 degree angle
b)
30 km/h at a 30 degree angle
c)
106 km/h at a 45 degree angle
d)
144 km/h at a 45 degree angle
5.

A vector is a quantity that has

a)
magnitude and time
b)
magnitude and direction
c)
time and direction
6.

A quantity that has both magnitude and direction is called a _____.

a)

scalar

b)

vector

c)

resultant

7.

When a velocity is represented as a vector

a)
the length of the arrow represents the speed
b)
the length of the arrow is drawn to a suitable scale.
c)
the direction of the arrow shows the direction of motion
d)
all of the above
8.

What is the minimum resultant possible when adding a 5-unit vector to an 10-unit vector?

a)

15

b)

10

c)
8
d)
5
9.

A ball rolling down a hill is a projectile.

a)

true

b)

false

10.

A car driving into a head wind loses ground speed, and a car driving with the wind behind it gains ground speed. If a car drives at right angles to the wind, then the ground speed is

a)

more

b)

less

c)

unchanged

11.

The horizontal component of velocity for a projectile varies with time, even with no air resistance.

a)
true
b)
false
12.

What is the maximum resultant possible when adding a 5-unit vector to an 10-unit vector?

a)

15

b)

10

c)
8
d)
5
13.

A single vector can be replaced by two vectors in the X and Y directions. These X and Y vectors are called the _________ of the original vector.

a)

scalar

b)

resultant

c)

vector

d)

components

14.

A ball thrown straight up in the air is a projectile.

a)

true

b)

false

15.

A ball that rolls off of a table is a projectile.

a)

true

b)

false