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Essential Concepts in Physics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "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. Good luck!

Page 1

Question 1 1. If you get into your car in the garage, start it up and drive to the grocery store and back, it is an example of which one of the following?

Question 2 2. What is the maximum number of electrons for the principal quantum number n = 3?

Question 3 3. A book will not move by itself because it has _____.

Question 4 4. The process that is used to explore the natural world is known as:

Question 5 5. When does length contraction affect an object?

Page 2

Question 6 6. What is the molality of a solution containing 100 grams of glucose (C6H12O6, molar mass = 180 g/mol) dissolved in 2.5 kg of water?

Question 7 7. What is the MOST important factor determining the air drag force on a falling object?

Question 8 8. How many pieces of information does a scalar require to fully describe it?

Question 9 9. Which of the following is NOT a fundamental force in physics?

Question 10 10. What is the main principle behind the Law of Conservation of Mass?

Page 3

Question 11 11. When plugging in values for Earth into the following equation, what value is obtained?

Question 12 12. A boy throws a rock down from a cliff with an initial velocity of -3.5 meters/second. What is the vertical velocity of the rock after 1.5 seconds?

Question 13 13. A student is trying to open a door to the gym, but the door is weighted and is hard to open. The student applies 200N of force to the 300kg door, and the door pushes back with 150N. What is the acceleration of the door?

Question 14 14. When water boils _____ has occurred.

Question 15 15. Which fundamental topic in physics is the foundation upon which all physics is based?

Page 4

Question 16 16. The size range that consists between 1 and 100 nanometers is known a what?

Question 17 17. A ________ is defined as the sum of all the forces acting on an object.

Question 18 18. Which of the following statements about quantum numbers is FALSE?

Question 19 19. Which of these systems is an oscillator?

Question 20 20. Which of the following statements is true?

Page 5

Question 21 21. The formula for length contraction is l = l{0} / gamma. l is the length of the object while moving. l{0} is the length of the object while standing still. What is gamma?

Question 22 22. What is the correct unit for molality?

Question 23 23. If a ball was dropped where there was no air drag force (like inside a vacuum chamber where all the air had been removed), which of the following statements would be true?

Question 24 24. Which of the following is NOT a scalar quantity?

Question 25 25. Without the strong force, what would happen to the nucleus of an atom?

Page 6

Question 26 26. If you combine 5 grams of hydrochloric acid (HCl) with 10 grams of calcium hydroxide (Ca(OH)2), what will be the total mass of the products of this reaction?

Question 27 27. The units of a newton are _______.

Question 28 28. A toy rocket is launched with a speed of 50 meters/second. What is the vertical velocity of the rocket after 5 seconds?

Question 29 29. A baby crawls across the floor at daycare, pushing a car with 1N of force to the right. The carpet is shaggy though, and pulls the car to the left with 0.2N of force due to friction. What is the net force acting on the car?

Question 30 30. Which phase of matter has a definite volume but does not have a fixed shape?

Essential Concepts in Physics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "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. Good luck!

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