Free Printable Long Quiz 1 - Measurements and Vectors

1.

The SI standard of time is based on:

a)

the daily rotation of the earth

b)

the yearly revolution of the earth about the sun

c)

the frequency of light emitted by

Kr^{86}

d)

none of these

2.

The number of significant figures in 0.00150 is:

a)

2

b)

3

c)

5

d)

6

3.

3.2 × 2.7 =

a)

8

b)

8.64

c)

8.6

d)

9

4.

1.513 + 27.3 =

a)

29

b)

28.8

c)

28.9

d)

28.81

5.

1 mile is equivalent to 1609 m so 55 miles per hour is:

a)

15 m/s

b)

66 m/s

c)

88 m/s

d)

25 m/s

6.

Three vectors are related by $\overrightarrow{c}=\overrightarrow{b}-\overrightarrow{a}$ . Which diagram below illustrates this relationship?

a)

b)

c)

d)

7.

The vector $-\overrightarrow{A}$ is

a)

greater than $\overrightarrow{A}$ in magnitude

b)

lesser than $\overrightarrow{A}$ in magnitude

c)

in the same direction as $\overrightarrow{A}$

d)

in the opposite as $\overrightarrow{A}$

8.

The vector $\overrightarrow{V_3}$ in the diagram is equal to:

a)

$\overrightarrow{V_1}-\overrightarrow{V_2}$

b)

$\overrightarrow{V_2}-\overrightarrow{V_1}$

c)

$V_1\cos\theta$

d)

$\left|V_1-V_2\right|$

9.

The value of î⋅(ĵ×k̂) is:

a)

zero

b)

1

c)

-1

d)

3

10.

Which of the following is a vector quantity?

a)

mass

b)

speed

c)

volume

d)

acceleration

11.

$\overrightarrow{A\ }=3î+3ĵ$ and $\overrightarrow{B\ }=î+5ĵ\$ . Find $\overrightarrow{A}\ +\ \overrightarrow{B}$ .

(a)

12.

If the x-component of a vector is 3 meters and its y - component is -2 meters, calculate the magnitude and direction of this vector.

a)

$\sqrt{13}m,\ 34\degree\ CCW$

b)

$1m,\ -33\degree\$

c)

$\sqrt{13}m,\ 34\degree\ CW$

d)

$\sqrt{13}m,\ 34\degree\ W\ of\ N$

13.

$\overrightarrow{A\ }=6.0\ \frac{m}{s},\ 30\ W\ of\ N$

Find the x and y components of this vector.

(a)

14.

Determine the direction of (8, -2)

a)

14° CCW

b)

346° CCW

c)

-14° CW

d)

346° CW

15.

The cross product of two vectors that are parallel to each other is

a)

ABcosθ

b)

zero

c)

one

d)

cannot be determined

Long Quiz 1 - Measurements and Vectors

Total questions: 15

Worksheet time: 1hrs 15mins

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