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Review Forces and Measurements

Total questions: 60

Worksheet time: 44mins

Name
Class
Date
1.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
2.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
3.
What is the velocity?
a)
positive
b)
negative
c)
decreasing
d)
increasing
4.
Is the speed constant or non-constant?
a)
constant
b)
non-constant
5.
Is the speed constant or non-constant?
a)
constant
b)
non-constant
6.
Which section of the graph shows decreasing velocity?
a)
CD
b)
DE
c)
EF
d)
GH
7.
Which section of the graph shows increasing velocity?
a)
AB
b)
BC
c)
DE
d)
EF
8.
Which section of the graph shows constant velocity?
a)
AB
b)
BC
c)
EF
d)
GH
9.
Which section of the graph shows acceleration?
a)
AB
b)
BC
c)
EF
d)
FG
10.
Which section of the graph shows deceleration?
a)
AB
b)
BC
c)
EF
d)
GH
11.
What is happening from point D to E?
a)
The object is moving SLOWLY
b)
The object is moving FAST
c)
The object is decelerating
d)
The object is NOT moving
12.
What is happening in the graph from point O to A?
a)
The object is moving SLOWLY
b)
The object is moving FAST
c)
The object is NOT moving
d)
The object is accelerating
13.

The diagram models the forces acting on a box. Which of the following best describes the motion of the box?

a)

The box is moving downward with increasing speed.

b)

The box is moving with constant speed to the right.

c)

The box is moving with constant speed to the left.

d)

The box is moving upward with increasing speed.

14.

What is the SI unit of weight?

a)

kilograms

b)

grams

c)

newtons

d)

kg

15.

What is the SI unit of speed?

a)

m/s

b)

cm/s

c)

km/hour

d)

kg/m

16.
Which tells the VELOCITY of an object?
a)
75 mph
b)
75 mph traveling south
17.
Which scientist gave us the laws of motion?
a)
George Washington
b)
John Adams
c)
Sir Isaac Newton
18.
If I kick a soccer ball across the field, what vocabulary word tells me why the ball would slow down in the grass?
a)
acceleration
b)
friction
c)
gravity
19.
Which is harder to stop - an 18 wheeler or a motorcycle?
a)
motorcycle
b)
18 wheeler
20.

If the man and the ball travels 90 m in 9 seconds, what is their average speed?

a)

10 m/s

b)

180 m/s

c)

99 m/s

d)

10 meters

21.

If a lizard can run 8 m across the water in 4 seconds, how fast is he traveling?

a)

32 m/s

b)

2 m/s

c)

2 seconds

d)

34 meters

22.

A force that opposes motion is

a)

friction

b)

inertia

c)

acceleration

d)

momentum

23.

What is the acceleration of an object that takes 20 seconds to change from a speed of 200 meters/second to 300 meters/second?

a)

5 m/s squared

b)

5 m/s

c)

100 m/s

d)

100 m/s squared

24.

What effect does friction have on a moving object?

a)

it causes the moving object to slow and eventually stop

b)

it causes the moving object to speed up

c)

it keeps the moving object moving in the same direction forever

d)

it causes the moving object to turn around and move in the opposite direction

25.

If you draw a distance/time graph and place units of seconds on the horizontal axis, you would place units of ________ on the vertical axis.

a)

grams

b)

meters

c)

Newtons

d)

kilograms

26.

When an object is sitting on the Earth, what do you call the force of gravity that is acting on the object?

a)

weight

b)

mass

c)

magnetism

d)

momentum

27.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
28.
The SI unit for force
a)
distance
b)
Newton (N)
c)
frame of reference
d)
inertia
29.
Inertia is the tendency of an object to resist a change in its ___________. 
a)
temperature
b)
shape
c)
size
d)
motion
30.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
31.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
32.
Because of inertia, a moving object will keep ________.
a)
at rest
b)
moving
c)
in one spot
d)
inertia 
33.
The law of inertia (Newton’s First Law) applies
a)
to both moving and nonmoving objects
b)
only to moving objects
c)
only to objects that are not moving
34.
Inertia refers to ___.
a)
The force that keeps stationary objects at rest
b)
The force which keeps moving objects in motion with a constant
c)
The tendency of moving objects to remain in motion
d)
All of the above
35.

Kristine measured a greeting card and found that it was 1 decimeter long. How many centimeters are in 1 decimeter?

a)

1 cm

b)

10 centimeters

c)

100 centimeters

d)

1000 centimeters

36.

What SI Unit is used for Length?

a)

Gram

b)

Foot

c)

Meter

d)

Liter

37.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

38.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

39.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
40.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
41.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
42.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
43.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
44.
The SI unit for measuring mass is the
 __?__.
a)
meter (m)
b)
liter (L)
c)
cubic meter (m3)
d)
kilogram (kg)
45.
The SI base unit is
a)
second
b)
minute
c)
millisecond
d)
hour
46.

What is the magnitude and direction of the force in the free body diagram shown?

a)

70 N right

b)

70 N left

c)

50 N right

d)

50 N left

47.
The greater the mass of an object
a)
the more space it takes up
b)
the greater its inertia
c)
the more balanced it is
d)
the easier the object is to move
48.

It is more difficult to start a 50-kg box sliding across the floor than a 5-kg box because the 50-kg box has greater

a)

color

b)

speed

c)

inertia

d)

velocity

49.

The force that happens when two things rub together is called:

a)

Electricity

b)

Magnetism

c)

Friction

d)

Gravity

50.

If the unequal opposing forces are applied to the cart at the same time, what will occur?

a)

The cart will move to the left.

b)

The cart will move to the right.

c)

The cart will alternate between moving left and right.

d)

The cart will remain stationary.

51.

Which measurements are required to calculate the average speed of a car driving on a road?

a)

Mass and direction

b)

Mass and time

c)

Direction and Time

d)

Time and Distance

52.

What is the rate at which an object changes speed or direction?

a)

speed

b)

acceleration

c)

friction

53.

What units do scientists usually measure mass in?

a)

pounds and inches

b)

pounds and ounces

c)

grams and kilograms

54.

Based on the photo, what is the volume of the liquid?

a)

35 mL

b)

24 mL

c)

25 mL

d)

30 mL

55.

What is the time shown on the stopwatch?

a)

1 hour, 55 minutes and 15 seconds.

b)

1 minute, 55 seconds and 15 hundredths.

c)

155 minutes and 15 seconds.

56.

hour=_____ seconds

a)

60

b)

360

c)

3600

d)

1500

57.
The curve of the liquid
a)
Mass
b)
Meniscus
c)
Density
d)
Weight
58.
This refers to how close the measurement is to the true or accepted value
a)
estimate
b)
accuracy
c)
precision
d)
mean
59.
This refers how close a group of measurements are to eachother
a)
estimate
b)
accuracy
c)
precision
d)
mean
60.
The measure of the force of gravity
a)
Mass
b)
Volume
c)
Density
d)
Weight