Science 101, E. Abramson, Sample Test #1,
Chapters 1 and 2 of Tillery - 6th Ed.

To my Students:   This SAMPLE test is provided to give you some idea of the TYPE of question I use in my tests (and quizzes). It is NOT intended to be a PRACTICE exam, and I will NOT provide samples of Exam #2 and the Final Exam, since I will use the same TYPE of question in them.         ~ Dr. Abramson ~

NOTE:  I suggest you do each chapter's section as we finish it in class. I also STRONGLY suggest that you honestly try to work out the answers before you look at them in the answer key, which is at the end of this web page.

    Chapter 1

  1. Observed and recorded motions of the planet Mars can be classified as
    1. laws.
    2. concepts.
    3. theories.
    4. data.
    5. all of these.

  2. Which of the following is NOT a fundamental QUANTITY?
    1. meter.
    2. time.
    3. mass.
    4. length.

  3. A word that best describes the continuous forward flow of events is
    1. space.
    2. length.
    3. time.
    4. motion.
    5. none of these.

  4. In the name "metric mks system of units", the "m" in "mks" refers to
    1. mass.
    2. meter.
    3. metric.
    4. none of these.

  5. One megawatt contains how many watts?
    1. 103.
    2. 10-6.
    3. 106.
    4. 109.

  6. The volume of a sample of pure water is 20 cm3. The mass of the water is
    1. 20 kilograms.
    2. 20 ounces.
    3. 20 milligrams.
    4. 20 grams.

  7. A tentative scientific explanation which may or may not be rejected upon further experimentation is called a
    1. law.
    2. principle.
    3. model.
    4. hypothesis.

Chapter 2-A

  1. A lead ball has approximately four times the WEIGHT of an aluminum ball of the same volume, yet both undergo practically the same acceleration when dropped from a tower because
    1. the air resistance on the lead ball is four times that on the aluminum ball.
    2. both balls have the same mass.
    3. the acceleration is independent of the mass.
    4. the speed of the balls is not affected by air resistance.

  2. A body that is moving with an acceleration that is NOT zero will always have a(n) _____________ velocity.
    1. increasing.
    2. changing.
    3. constant.
    4. decreasing.

  3. An automobile speedometer shows the auto's
    1. instantaneous velocity.
    2. average speed.
    3. instantaneous speed.
    4. instantaneous acceleration.

  4. If an object moves with constant velocity,
    1. its speed is constant.
    2. its average speed is constant.
    3. its direction is constant.
    4. All of these.
    5. None of these.

  5. A sportscar can go from 0 m/sec to 30 m/sec in 6 sec. What is the average acceleration of the sportscar?
    1. 0.2 m/sec2.
    2. 0.5 m/sec2.
    3. 5 m/sec2.
    4. 180 m/sec2.

  6. A sportscar can go from 0 m/sec to 30 m/sec in 6 sec. How far will it travel in that time?
    1. 90 m.
    2. 225 m.
    3. 450 m.
    4. 8,100 m.

  7. All forces
    1. are scalar quantities.
    2. have magnitude only.
    3. have direction only.
    4. have both magnitude and direction.

  8. Galileo discovered that an object in free fall (ignoring air resistance)
    1. falls at constant velocity.
    2. falls at a velocity proportional to its weight.
    3. falls at a rate proportional to the air resistance.
    4. covers a distance proportional to the square of the time of the fall.

  9. A ball is thrown upward. Gravity acts on the ball
    1. only as it falls.
    2. only at its maximum height.
    3. only as the ball accelerates upward.
    4. throughout its trajectory.

Chapter 2-B

  1. The constant G that appears in the equation F = Gm1m2/d2 is
    1. the acceleration due to gravity.
    2. a universal constant.
    3. smaller on the moon than on Earth.
    4. equal to g.
    5. the force of gravity.

  2. Mass is the quantity that measures an object's
    1. grams.
    2. inertia.
    3. weight.
    4. force.

  3. The gravitational attraction between an object on or near Earth's surface and Earth is called the object's
    1. weight.
    2. inertia.
    3. mass.
    4. momentum.

  4. The linear momentum of an object can be determined by taking the product of the mass of the object and the
    1. time that the object moves.
    2. distance that the object moves.
    3. acceleration of the object.
    4. velocity of the object.

  5. If a person travels from the Earth to the Moon, their ______ changes.
    1. inertia.
    2. mass.
    3. weight.
    4. All of these change.
    5. None of these change.

  6. A net force of 21 N is applied to a mass of 3.0 kg. What will be the resultant acceleration?
    1. 3.0 m/s2.
    2. 7.0 m/s2.
    3. 21.0 m/s2.
    4. 147.0 m/s2.
    5. None of the above.

  7. A person weighing 600 N is standing on the floor. What force does the floor exert on the person?
    1. 0 N.
    2. 61 N.
    3. 600 N.
    4. 5880 N.
    5. None of the above.

  8. A body travels in a circle of radius 3.0 m at a constant speed of 4.0 m/s. What is the direction of its acceleration?
    1. Tangential (parallel) to the circle.
    2. Toward the center of the circle.
    3. Perpendicular to the plane of the circle.
    4. Not enough data given.

  9. The mass of a sack of concrete mix whose weight is 980 N is
    1. 100 kg.
    2. 198 kg.
    3. 90.2 kg.
    4. 98 kg.
  Answer Key for Sample Test #1  
Question # Answer Letter Chapter #
1.
 D 1
2.
 A 1
3.
 C 1
4.
 B 1
5.
 C 1
6.
 D 1
7.
 D 1
8. C 2A
9.
 B 2A
10.
 C 2A
11.
 D 2A
12.
 C 2A
13.
 A 2A
14.
 D 2A
15.
 D 2A
16.
 D 2A
17.
 B 2B
18.
 B 2B
19.
 A 2B
20.
 D 2B
21.
 C 2B
22.
 B 2B
23.
 C 2B
24.
 B 2B
25.
 A 2B