Free Printable Review_quantities,units,vectors,velocity...

1.

The graph shows the change in position of Amy as time goes on. What was her speed from 1 - 3 s?

a)

0 m/s

b)

2 m/s

c)

-1 m/s

d)

-2 m/s

2.

The graph shows Amy's position as a function of time. What is her speed from 5 - 8 s?

a)

0 m/s

b)

2 m/s

c)

-1 m/s

d)

-2 m/s

3.

Jamie decides to visit her sister. She leaves home and drives 1500 m in 25 s when she realizes she forgot her purse. She speeds home, covering the 1500 m in only 10 s. What is her average speed for the trip?

a)

0 m/s

b)

85.7 m/s

c)

60 m/s

d)

150 m/s

4.

Jamie decides to visit her sister. She drives 1500 m in 25 s when she realizes she forgot her purse at home. She speeds home, covering the 1500 m in only 10 s. What is her average velocity for the trip?

a)

0 m/s

b)

85.7 m/s

c)

-85.7 m/s

d)

150 m/s

5.

What is the difference between instantaneous speed and average speed?

a)

Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.

b)

Instantaneous speed is never right, average speed is always right

c)

Instantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.

d)

Do not pick this answer

6.

A measurement of how fast an object is moving

a)

Velocity

b)

Speed

c)

Vector

d)

Acceleration

7.

What is velocity?

a)

the quickness of an object

b)

the location of an object

c)

acceleration

d)

speed in a specific direction

8.

Displacement is distance combined with

a)

direction

b)

speed

c)

velocity

d)

magnitude

9.

During which of these times is the object moving in the positive direction?

a)

4

b)

7

c)

18

d)

21

10.

Which runner won the 10-m race?

a)

A

b)

B

c)

C

d)

It was a tie

11.

What is defined as the total distance traveled divided by the total time?

a)

instantaneous speed

b)

average speed

c)

distance

d)

displacement

12.

What is defined as the speed at any given instant?

a)

average speed

b)

instantaneous speed

c)

scalar quantity

d)

vector quantity

13.

A dog is at a fire hydrant that will be at 0 m. The dog walks to a location of +5 meters. Then turns around and walks back to a location of -2 meters. The dog does this in 10 seconds. What is the dog's average velocity during this trip?

a)

-1.2 m/s

b)

-0.2 m/s

c)

0.2 m/s

d)

1.2 m/s

14.

Slope of a Position -Time graph gives

a)

Velocity

b)

Displacement

c)

Acceleration

d)

Distance

15.

Straight line with a slope indicates that the object is

a)

moving with constant speed

b)

speeding up resting

c)

slowing down

d)

resting

16.

In which section object is travelling fastest?

a)

A

b)

B

c)

C

17.

Around What time object is turning and moving in the opposite direction

a)

2 sec

b)

10 sec

c)

4 sec

d)

6 sec

18.

Describe the motion

a)

Slow to fast; Negative direction

b)

Fast to slow; Negative direction

c)

Fast to slow; Positive direction

d)

Slow to fast; Positive direction

19.

What is happening in this graph from point B to C?

a)

The object is going down a hill.

b)

The object is returning to its starting location.

c)

The object is slowing down.

d)

The object is staying still.

20.

The speed of the object is changing during interval:

a)

A-B

b)

B-C

c)

C-D

d)

D-E

21.

This position vs. time graph shows an object...

a)

not moving

b)

moving with constant velocity

c)

moving with changing velocity

22.

This position vs. time graph shows an object...

a)

not moving

b)

moving with constant velocity

c)

moving with changing velocity

23.

This position vs. time graph shows an object...

a)

not moving

b)

moving with constant velocity

c)

moving with changing velocity

24.

Which of these position vs. time graphs shows an object changing direction?

a)

b)

c)

d)

25.

When was Marie driving the fastest?

a)

C to D

b)

D to E

c)

E to F

26.

Which two cars are travelling in the negative direction?

a)

Car A

b)

Car B

c)

Car C

d)

Car D

e)

Car E

27.

Which car is travelling fastest in the positive direction?

a)

Car A

b)

Car B

c)

Car C

d)

Car D

e)

Car E

28.

Which of the following can you figure out using the slope of a line on a position-time graph? (Select all that apply.)

a)

how fast the object is moving

b)

the direction of motion

c)

the forces on the object

d)

how much energy the object has

e)

the momentum of the object

29.

Calculate the velocity during the time segment from 1 - 3 sec.

a)

+ 0.4 m/s, meaning to the right

\frac{\left(1\ -\ 0.2\right)}{\left(3-1\right)}=\ +0.4\ \frac{m}{s}

b)

+ 0.3 m/s, meaning to the right

\frac{\left(1-0\right)}{\left(3-1\right)}=+0.3\ \frac{m}{s}

c)

+ 0.5 m/s, meaning to the right

\frac{\left(1.5-0\right)}{\left(3-0\right)}=\ +0.5\ \frac{m}{s}

d)

+ 2.4 m/s, meaning to the right
$\frac{\left(3-1\right)}{\left(1-0.2\right)}=+2.5\ \frac{m}{s}$

30.

Example of base quantities

a)

Electric current

b)

Volume

c)

Area

d)

Weight

31.

Choose TWO(2) examples of base quantity

a)

Mass and density

b)

Length and area

c)

Length and mass

d)

Mass and velocity

32.

All the following physical quantities are derived quantities except..

a)

speed

b)

velocity

c)

area

d)

Mass

33.

Given that v is the speed, r is radius and g is acceleration due to gravity . Which of the following is dimensionless?

a)

v² r / g

b)

v² / r g

c)

v² g / r

d)

v² g r

34.

0.02\mu s\ =\ ................ks

a)

$2\times10^{-12}$

b)

$20\times10^{-11}$

c)

$2\times10^{-11}$

d)

$2\times10^{-10}$

35.

1000 Gm equivalent to ............... nm

a)

$10^{22}$

b)

$10^{20}$

c)

$10^{21}$

d)

$10^{18}$

36.

$2\ m^{3\ }=\ ............\ cm^3$

a)

$2Mcm^3$

b)

$2Gcm^3$

c)

$2\ cm^3$

d)

$2\ ml^3$

37.

derived quantities are

a)

luminous intensity

b)

Time

c)

Amout of substance

d)

area

e)

Length

38.

The diagrams represent systems of coplanar forces acting at a point. The lengths of the force vectors represent the magnitudes of the forces.

Which system of forces is in equilibrium?

a)

b)

c)

d)

39.

Three coplanar forces act on an object in the directions shown.

In which diagram could the object be in equilibrium?

a)

b)

c)

d)

40.

Describe the direction of this vector.

a)

33 degrees east of south

b)

33 degrees west of north

c)

33 degrees east of north

Review_quantities,units,vectors,velocity...

Total questions: 40

Worksheet time: 10hrs 0mins

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