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Physical Science Equations & Conversion Practice

Total questions: 85

Worksheet time: 5hrs 4mins

Name
Class
Date
1.

1,000 meter = ___________kilometer(s)

a)

0.001

b)

0.1

c)

1

d)

10

2.

10 cm = _____mm

a)

100

b)

1,000

c)

1

d)

0.1

3.

5.6 km = ________ m

a)

56

b)

5,600

c)

0.56

d)

56,000

4.

780 mg = ________g

a)

78

b)

0.078

c)

0.78

d)

7,800

5.

2.3 g = __________mg

a)

0.23

b)

230

c)

23

d)

2,300

6.

89 g = _________kg

a)

0.089

b)

8.9

c)

8,900

d)

89,000

7.

6.8 m = ___________cm

a)

6,800

b)

680

c)

68

d)

0.68

8.

5,500 mL = __________L

a)

0.55

b)

55,000

c)

55

d)

5.5

9.

3.56 km = ________________m

a)

0.00356

b)

3.56

c)

3,560

d)

35,600

10.

3,000 mm = _________cm

a)

30

b)

30,000

c)

300

d)

3

11.

2,500 cm = ____________m

a)

25

b)

2.5

c)

0.025

d)

250

12.

What is 4000g in kg?

a)

400

b)

40

c)

0.4

d)

4

13.

Convert from meters to cm: 9 meters

a)

900 cm

b)

90 cm

c)

0.9 cm

d)

0.09 cm

14.

Convert 17 m to cm:

a)

0.17 cm

b)

0.017 cm

c)

1,700 cm

d)

170 cm

15.

42 L = ___mL

a)

4,200

b)

.0042

c)

4.20

d)

42,000

16.

1 L = _______ mL

a)

1

b)

10

c)

100

d)

1000

17.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

18.

2804 mg = ___________ g

a)

0.2804

b)

2.804

c)

28.04

d)

280.4

19.

0.932 g = ___________ mg

a)

9.32

b)

93.2

c)

932

d)

9,320

20.

89 g = _________kg

a)

0.089

b)

8.9

c)

8,900

d)

89,000

21.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

22.
Convert: -45.9 C to K:
a)
227.1 K
b)
400 K
c)
0 K
373 K
23.

Convert 186.5 Kelvins to Degrees Celsius:

a)

- 86.65 oC

b)

- 50 oC

c)

- 68.4 oC

d)

180 K

24.

Convert 253 Degrees Celsius to Kelvin:

a)

526.15 K

b)

625 K

c)

0 K

d)

186 K

25.

Convert 0 Kelvin to Degrees Celsius:

a)

- 273.15 oC

b)

- 273 K

c)

273.15 oC

d)

273 K

26.

Convert 1 Degree Celsius to Kelvin:

a)

274.15 K

b)

- 283.15 K

c)

0 K

d)

373 K

27.

What net force is required to accelerate a car at a rate of 2 m/s2 if the car has a mass of 3,000 kg?

a)

6,000 N

b)

1,500 N

c)

3,002 N

d)

2,998 N

28.

A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?

a)

30 N

b)

13 N

c)

3.3 N

d)

0.3 N

29.

What is the mass of a falling rock if it produces a force of 147 N? (Acceleration due to gravity = 9.8 m/s2)

a)

15 kg

b)

1,440.6 kg

c)

156.8 kg

d)

137.2 kg

30.

What is the mass of a truck if it produces a force of 14,000 N while accelerating at a rate of 5 m/s2?

a)

2,800 kg

b)

0.0004 kg

c)

70,000 kg

d)

13,995 kg

31.

What is the acceleration of a softball if it has a mass of 0.5 kg and hits the catcher's mitt with a force of 25 N?

a)

0.5 kg

b)

50 kg

c)

25.5 kg

d)

12.5 kg

32.

Your parents' car has a mass of 2,000 kg. If your car produces a force of 5,000 N, how fast will it accelerate?

a)

2.5 m/s2

b)

0.4 m/s2

c)

10,000,000 m/s2

d)

3,000 m/s2

33.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
34.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
35.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
36.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
37.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
38.

What would be the force and direction of the motion ?

a)

50 Newtons to the left

b)

950 Newtons to the right

c)
no movement
d)

50 Newtons to the right

39.

What is the net force being applied to the couch?

a)

5N RIght

b)

5 N Up

c)

45 N Right

d)

25 N Right

40.

What is the net force in this example?

a)

200 N

Left

b)

125 N

Left

c)

50 N

Left

d)

75 N

Left

41.

Which direction will the net force be?

a)

Right

b)

Left

c)

Up

d)

Down

42.

If both people are exerting a force of 20 N, what is the net force?

a)

20 N

b)

40 N

c)

400 N

d)

0 N

43.

If both people are exerting a force of 30 N, what is the net force?

a)

30 N

b)

60 N

c)

300 N

d)

0 N

44.
Calculate the net force of the object in the image shown.
a)

20N

Left

b)

35N

RIght

c)

5N

Left

d)

25N

Right

45.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
46.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
47.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
48.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
49.
What is the speed of a cheetah that travels 112.0 m in 4.0 s?
a)
0.0357 m/s
b)
28 m/s
c)
0.036 m/s
d)
28.0 m/s
50.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
51.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
52.

A roller coaster accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

a)

24 m/s2

b)

18 m/s2

c)

16 m/s2

d)

16 m/s

53.

John drives 280 meters in 4.8 seconds. What is his average velocity?

a)

58.3 m/s

b)

1344 m/s

c)

140 m/s

d)

280 m/s

54.

A train speeds up from 40 m/s to 48 m/s in 2 seconds. What is the average velocity of the train?

a)

44 m/s

b)

4 m/s

c)

88 m/s

d)

4 m/s2

55.

A car slows down from 25 m/s to a stop over 7 seconds to avoid hitting another car. What is their acceleration?

a)

-3.57 m/s2

b)

3.57 m/s2

c)

12.5 m/s

d)

175 m/s

56.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
57.
How long would it take for you to swim across a lake that is 900 meters across if you swim at 1.5 m/sec?
a)
600 sec
b)
600 m/sec
c)
0.00167 sec
d)
0.00167 m/sec
58.
A car moves a distance of 1000 m with an average speed of 28 m/s.   Calculate the time.
a)
36 seconds
b)
28,000 seconds
c)
28 seconds
d)
972 seconds
59.
A cheetah runs with an average speed of 32 m/s for 30 seconds.  How far did the cheetah run?
a)
960 m
b)
1.07 m
c)
0.94 m
d)
62 m
60.

What distance will a car traveling 65 km/hr travel in 180 min?

a)

11,700 m

b)

195 m

c)

21.7 m

d)

2.77 m

61.
A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
62.
The SI unit for acceleration is
a)
mph
b)
ft/sec2
c)
m/s2
63.
A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
64.

A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

a)

3.5 m/s2

b)

5.9 m/s2

c)

10.5 m/s2

d)

24 m/s2

65.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
66.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
67.

A running horse increases his speed from 15 m/s to 42 m/s at an acceleration of 9 m/s2. How long did this take the horse?

a)

5 s

b)

4 s

c)

6 s

d)

3 s

68.

The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds. What was its rate of acceleration?

a)

4 m/s²

b)

2 m/s²

c)

8 m/s²

d)

6 m/s²

69.

A motorcycle rider increases his speed from 25 m/s to to 55 m/s in 10 seconds. What was its rate of acceleration?

a)

2.5 m/s²

b)

4 m/s²

c)

3 m/s

d)

3 m/s²

70.

The Eagles are playing the Patriots in Super Bowl 52. The score is Eagles 31 Patriots 27 with two minutes left. Nick Foles throws a deep ball to Alshon Jeffery the velocity of the football flies in the air at 40 m/s over a 5 second period. What was its rate of acceleration?

a)

6 m/s²

b)

10 m/s²

c)

8 m/s²

d)

0 m/s²

71.

A car at rest increases its velocity to 15 m/s in 10 seconds. Calculate its acceleration rate.

a)

1.5 m/s2

b)

2.3 m/s2

c)

15 m/s2

72.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
73.
A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?
a)
6030 kg
b)
0.0134 kg
c)
74.4 kg
d)
80 kg
74.
How much momentum does a 50 kg mass moving at 10 m/s have?
a)
5 kg m/s
b)
500 kg m/s
c)
5 N
d)
500 N
75.
The momentum of a truck traveling in a straight line at 25 m/s is 37,500 kg m/s. What is the truck's mass? 
a)
937,500 kg
b)
937,500 N
c)
1,500 N
d)
1,500 kg
76.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
77.

If an object has a momentum of 40 kg x m/s and a mass of 60 kg, what is it's velocity?

a)

2400 m/s

b)

1.5 m/s

c)

240 m/s

d)

.67 m/s

78.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
79.
An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
40 N
b)
4 N
c)
10 N
d)
0.1 N
80.

An object accelerates 12 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object?

a)

2 kg

b)

18 kg

c)

0.5 kg

d)

0.05 kg

81.

An object with a mass of 2.0 kg has a force of 4.0 newtons applied to it. What is the resulting acceleration of the object?

a)

2 m/s2

b)

8 m/s2

c)

0.5 m/s2

d)

6 m/s2

82.

A 1,000 kg truck moving at 10 m/s runs into a concrete wall. It takes 0.5 seconds for the truck to completely stop. What is the magnitude of force exerted on the truck during the collision?

a)

1,000 N

b)

5,000 N

c)

10,000 N

d)

20,000 N

83.

An object with a mass of 5 kg has a force of 20 newtons applied to it. What is the resulting acceleration of the object?

a)

2 m/s2

b)

8 m/s2

c)

4 m/s2

d)

6 m/s2

84.

The amount of force needed to accelerate a 3kg skateboard at 5m/s2 is (a)   .

Choose from the below words
8N
1.6N
0.6N
15N
85.

A 20 kg bike accelerates at 10 m/s2. The force was (a)   .

Choose from the below words
25 Newtons
20 Newtons
200 Newtons
10 Newtons