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. START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 1. Which of the following is not a fundamental physical quantity of the metric system? A. Mass B. Time C. Length D. Weight START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 2. Which physical quantity is matched with its correct SI unit? A. mass - mg B. speed - m/s C. time - hr D. distance - cm START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 3. What are the base units of the metric system? A. centimeter, second, kilogram B. mass, time, length C. meter, gram, second D. pound, foot, second START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 4. Which list of units form the basis for all consistent units used in the SI system? A. second, meter, kilogram B. kilometer, gram, second C. centimeter, gram, second D. pound, foot, second START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 5. How many cm2 are there in 1 m2? A. 10,000 B. 100 C. 10 D. 100,000 START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 6. Given: [a] = m/s2, [v] = m/s, [x] = m, and [t] = s Which of the following equations is dimensionally correct? A. a = vx B. a = v2/x C. v = ax D. x = at START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 7. The value of every conversion factor is __________ . A. is greater than 1 when converting to smaller units B. is dependent on the units involved C. 0 D. 1 START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 8. Matter is defined as __________ . A. anything that’s solid or can be made solid B. anything that has mass and occupies space C. anything that can be acted upon by a force D. anything that isn’t energy START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 9. What is an object’s mass? A. its weight B. its density C. its energy D. its inertia START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 10. What power of 10 is associated with the metric prefix G? A. 109 B. 106 C. 10-6 D. 10-9 START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 11. What power of 10 is associated with the metric prefix m? A. 10-6 B. 10-3 C. 103 D. 106 START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 12. What is the full name of the unit mg? A. megagram B. macrogram C. milligram D. microgram START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 13. What units are used in the cgs system of units? A. second, milligram, meter B. kilogram, centimeter, second C. centimeter, second, gram D. meters, second, gram START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT 14. Convert 50 miles per hour to m/s. A. 111.9 m/s B. 22.4 m/s C. 1340.8 m/s D. 73.3 m/s START NEXT PREVIOUS SLIDE This is the last question of this quiz. Quiz by Dr. John Dayton QUIT CONGRATULATIONS! CORRECT! RETURN START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT INCORRECT TRY AGAIN RETURN START NEXT PREVIOUS SLIDE Quiz by Dr. John Dayton QUIT