# Introduction to Physics Chapter Exam

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### Page 1

#### Question 1 1. What do we call an SI unit that is created by combining base units using algebra?

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Question 2
2.
What do we get when we use the distributive law on the following: *a * (b + 5)*

#### Question 3 3. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL?

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Question 4
4.
Which of the following is the correct equation we get when we rearrange *a = b * c* so that c is by itself on the right side of the equals sign?

#### Question 5 5. The branch of physics known as Mechanics deals with what?

### Page 2

#### Question 6 6. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.45 kg)

#### Question 7 7. Which of the following equations does NOT show a quadratic relationship between 'y' and 'x'?

#### Question 8 8. How many mL are in 3.4 L?

#### Question 9 9. Which of the following situations does NOT meet the requirements for a direct relationship?

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Question 10
10.
The area of a rectangle can be found by multiplying its length by its width. What is the area of a rectangle that is 5.6 cm in length and 9.24 cm wide?

Report your answer with the correct number of significant figures.

### Page 3

#### Question 11 11. Physics-wise, what was significant about the 16th and 17th centuries?

#### Question 12 12. Which of the following is an example of a unit?

#### Question 13 13. One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?

#### Question 14 14. An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid?

#### Question 15 15. What is a scientific law?

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#### Question 16 16. If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)

#### Question 17 17. If we knew all the side lengths, which inverse trigonometric function could we use to find the angle theta in the following image?

#### Question 18 18. Which is NOT a major branch of physics?

#### Question 19 19. Which of the following graphs shows a directly proportional relationship?

#### Question 20 20. Which of the following is the formula for slope?

### Page 5

#### Question 21 21. Use dimensional analysis to convert 4 days into seconds.

#### Question 22 22. What is SI units shorthand for?

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Question 23
23.
Using the power rule for exponents what does *(x^2)^5* simplify to?

#### Question 24 24. Which of the following are arranged from smallest unit to largest unit?

#### Question 25 25. When would we want to use the trigonometric functions to find the side lengths of a right triangle?

### Page 6

#### Question 26 26. Which of the following shows the correct form of the equation for an inversely proportional relationship? Remember that 'k' is a constant.

#### Question 27 27. Which of the following graphs shows an inversely proportional relationship?

#### Question 28 28. Which of the following is the formula for the Pythagorean Theorem?

#### Question 29 29. Say you create 4 graphs of distance vs. time for 4 different cars in a race. Which of the graphs shows the car with the highest overall velocity?

#### Question 30 30. In the SI units, what makes the base units special?

#### Introduction to Physics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!