PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton Physics Quiz INTRODUCTION: UNITS Each question is multiple choice. Select the best response to the question by pressing the button to the left of your choice. If your answer is correct, you will hear an applause. Use the forward and backward buttons at the lower corner of the slides to advance questions. The background image is a sketch of the ill-fated Mars Climate Orbiter that burned up in the Martian atmosphere. The cause was two-fold: incorrect units were programmed for attitude control and a failure to assess and correct the problem while time permitted.

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 1. Which of the following is not a fundamental physical quantity of the metric system? C. Length D. Weight A. Mass B. Time

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 2. Which physical quantity is matched with its correct SI unit? C. time - hr D. distance - cm A. mass - mg B. speed - m/s

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 3. What are the base units of the metric system? C. meter, gram, second D. pound, foot, second A. centimeter, second, kilogram B. mass, time, length

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 4. Which list of units form the basis for all consistent units used in the SI system? C. centimeter, gram, second D. pound, foot, second A. second, meter, kilogram B. kilometer, gram, second

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 5. How many cm 2 are there in 1 m 2 ? C. 10 D. 100,000 A. 10,000 B. 100

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 6.Given: [a] = m/s 2, [v] = m/s, [x] = m, and [t] = s Which of the following equations is dimensionally correct? C. v = ax D. x = at A. a = vx B. a = v 2 /x

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 7. The value of every conversion factor is __________. C. 0 D. 1 A. is greater than 1 when converting to smaller units B. is dependent on the units involved

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 8. Matter is defined as __________. C. anything that can be acted upon by a force D. anything that isn’t energy A. anything that’s solid or can be made solid B. anything that has mass and occupies space

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 9. What is an object’s mass? C. its energy D. its inertia A. its weight B. its density

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 10. What power of 10 is associated with the metric prefix G? C D A B. 10 6

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 11. What power of 10 is associated with the metric prefix m? C D A B

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 12. What is the full name of the unit  g? C. milligram D. microgram A. megagram B. macrogram

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 13. What units are used in the cgs system of units? C. centimeter, second, gram D. meters, second, gram A. second, milligram, meter B. kilogram, centimeter, second

PREVIOUS QUIT NEXT START SLIDE Quiz by Dr. John Dayton 14. Convert 50 miles per hour to m/s. C m/s D m/s A m/s B m/s This is the last question of this quiz.

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