Chapter Pretests


Chapter 1 Prestet
 
Name: 
 

Chapter 1 Prestet



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

In mechanics, physicists use three basic quantities to derive additional quantities. Mass is one of the three quantities. What are the other two?
a.
length and force
b.
power and force
c.
length and time
d.
force and time
e.
power and time
 

 2. 

The prefixes which are abbreviated p, n, and G represent which of the following?
a.
10-2, 10-6, and 1015
b.
10-9, 106, and 1010
c.
10-12, 10-9, and 109
d.
10-15, 10-6, and 1012
e.
10-10, 10-9, and 106
 

 3. 

One year is about ____ seconds while one day is exactly ____ seconds.
a.
3.16 ´ 107, 86 400
b.
5.26 ´ 105, 86 400
c.
3.16 ´ 107, 8 640
d.
1.04 ´ 106, 36 000
e.
1.58 ´ 107, 36 000
 

 4. 

Which expression is dimensionally consistent with an expression that would yield a value for time-1?(v is velocity, x is distance, and t is time)
a.
v/x
b.
v2/x
c.
x/t
d.
v2t
e.
x/v
 

 5. 

If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has the dimension of which of the following?
a.
acceleration
b.
length
c.
time
d.
area
e.
volume
 

 6. 

If a is acceleration, v is velocity, x is position, and t is time, then which equation is not dimensionally correct?
a.
t = x/v
b.
a = v2/x
c.
v = a/t
d.
t2 = 2x/a
e.
t2 = x/a
 

 7. 

Calculate (0.82 + 0.042) ´ (4.4 ´ 103), keeping only significant figures.
a.
3 800
b.
3 784
c.
3 793
d.
3 520
e.
3 790
 

 8. 

The number 0.00017 has how many significant figures?
a.
2
b.
3
c.
5
d.
6
e.
4
 

 9. 

A furlong is a distance of 220 yards. A fortnight is a time period of two weeks. A race horse is running at a speed of 5.00 yards per second. What is his speed in furlongs per fortnight?
a.
27 500 furlongs/fortnight
b.
13 700 furlongs/fortnight
c.
6 220 furlongs/fortnight
d.
2 750 furlongs/fortnight
e.
1150 furlongs/fortnight
 

 10. 

The mass of the sun is 2.0 ´ 1030 kg, and the mass of a hydrogen atom is 1.67 ´ 10-27 kg. If we assume that the sun is mostly composed of hydrogen, how many atoms are there in the sun?
a.
1.2 ´ 1056 atoms
b.
3.4 ´ 1056 atoms
c.
1.2 ´ 1057 atoms
d.
2.4 ´ 1057 atoms
e.
3.2 ´ 1057 atoms
 

 11. 

An apartment has 1100 ft2 of floor space. What is the approximate volume of the apartment?
a.
103 ft3
b.
104 ft3
c.
105 ft3
d.
106 ft3
e.
107 ft3
 

 12. 

Which point is nearest the x axis?
a.
(-3, 4)
b.
(4, 5)
c.
(-5, 3)
d.
(5, -2)
e.
(-4, 4)
 

 13. 

Each edge of a cube has a length of 25.4 cm. What is the length of a diagonal of the cube going through the center of the cube?
a.
25.4 in
b.
17.3 in
c.
14.4 in
d.
10.0 in
e.
18.0 in
 

 14. 

The object in the picture below is a ______________________.
mc014-1.jpg
a.
Wrench
c.
Micrometer
b.
Vernier Caliper
d.
Clamp
 

Short Answer
 

 15. 

What are the 6 steps of the scientific method?

a._______________________________

b._______________________________

c._______________________________

d._______________________________

e._______________________________

f._______________________________

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Problem
 

 16. 

Convert 92 ft/s to km/hr




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 17. 

Determine the percent error, average deviation from the mean, and average deviation of the means for the following numbers.    21.9, 20.4, 20.1, 22.8, 22.2. The theoretical value is 20.1. Make sure to label your answers.




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 18. 

What is the measurement of the item measured below
pr018-1.jpg
 

 19. 

What is the measurement of the item measured below
pr019-1.jpg
 

 20. 

Place the following value into Scientific Notation:  7007



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 21. 

Place the following value into Scientific Notation:  0.00803



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 22. 

Perform the proper operation on the following values. Make sure to place them into proper scientific notation:  5 x 105 + 5 x 104



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 23. 

Perform the proper operation on the following values. Make sure to place them into proper scientific notation:  7 x 105 * 2 x 103



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 24. 

What is the order of magnitude difference between 8.7x1019 and 3.7x103

_____________
 

 25. 

How many significant figures does 0.07220 have in it?


_____________
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