Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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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 |
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2.
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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 |
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3.
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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 |
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4.
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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 |
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5.
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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 |
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6.
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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 |
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7.
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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 |
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8.
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The number 0.00017 has how many significant figures?
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9.
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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 |
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10.
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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 |
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11.
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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 |
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12.
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Which point is nearest the x axis?
a. | (-3, 4) | b. | (4, 5) | c. | (-5, 3) | d. | (5, -2) | e. | (-4,
4) |
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13.
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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 |
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14.
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The object in the picture below is a ______________________. a. | Wrench | c. | Micrometer | b. | Vernier Caliper | d. | Clamp |
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Short Answer
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15.
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What are the 6 steps of the scientific
method?
a._______________________________
b._______________________________
c._______________________________
d._______________________________
e._______________________________
f._______________________________
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Problem
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16.
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Convert 92 ft/s to km/hr
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17.
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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.
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What is the measurement of the item measured below 
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19.
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What is the measurement of the item measured below 
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20.
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Place the following value into Scientific Notation:
7007
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21.
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Place the following value into Scientific Notation:
0.00803
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22.
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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.
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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.
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What is the order of magnitude difference between 8.7x1019 and
3.7x103
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25.
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How many significant figures does 0.07220 have in
it?
_____________
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