Quiz_ Physics of Matter_ PHYS101_ Elements of Physics (D12)

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 1/13 Skip to Main Content Quiz: Physics of Matter Due Nov 20 at 11:59pm Points 75 Questions 26 Time Limit 90 Minutes Instructions Attempt History Attempt Time Score LATEST Attempt 1 37 minutes 73 out of 75  Correct answers are hidden. Score for this quiz: 73 out of 75 Submitted Nov 2 at 3:14pm This attempt took 37 minutes. The quiz: Covers the Learn material from Module 4: Week 4 . Contains 26 multiple-choice, true/false and matching questions. Is limited to 1 hour and 30 minutes. Allows 1 attempt. Is worth 75 points . Some quizzes will also have a single multi-part problem . This multi-part problem will be given at the time of the quiz. It must be written on paper and solved, and then an image of your solution must be uploaded during the quiz. You must include your name on your paper. Submit this assignment by 11:59 p.m. (ET) on Monday of Module 4: Week 4. 2 / 2 pts Question 1 Two pistons push down on the ±uid ²lling two cylinders connected by a narrow hose, as shown in the ²gure. The area A 1 is 1 square Online Residential Athletics Sign In Request Info Apply Now Visit Us Create Guest Account

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 2/13 inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The pressure on A 1 in psi is 0.25. 0.4. 4. 10. 40. 2 / 2 pts Question 2 The ratio of the density of a material to the density of water is the mass density. the weight density. the speci²c gravity.

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 4/13 2 / 2 pts Question 5 Two in±ated balloons are of identical size and shape, but one is ²lled with hydrogen, the other helium. Which has the larger buoyant force on it? neither—the buoyant forces must be equal the helium balloon the hydrogen balloon It can’t be determined. 2 / 2 pts Question 6 The upward force exerted by a ±uid on an object immersed in it is called gravitational force. atmospheric force. buoyant force. weight. none of the above. 2 / 2 pts Question 7

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 5/13 You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. The force on your left palm is __________ the force on your right palm. 1/4 1/2 equal to 2 times 4 times 2 / 2 pts Question 8 A device that measures absolute air pressure is called a manometer. barometer. thermometer. tire gauge. none of the above

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 7/13 2 / 2 pts Question 11 A plasma state of matter is a conducting solid. a part of the blood. an ionized gas. a conducting liquid. none of the above. 2 / 2 pts Question 12 Two pistons push down on the ±uid ²lling two cylinders connected by a narrow hose, as shown in the ²gure. The area A 1 is 1 square inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The force F 2 in pounds needed to keep piston 2 in place is

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 8/13 0.25. 0.4. 4. 10. 40. 2 / 2 pts Question 13 If the outside air pressure decreases, the reading on a tire gauge connected to a tire stays the same. increases. decreases. can not be determined. 2 / 2 pts Question 14 Water is ±owing through a pipe whose cross-sectional area at point A is larger than the cross-sectional area at point B . The reading on a pressure gauge connected to the pipe at point A will be _____________ the reading on a pressure gauge connected to the pipe at point B . the same as

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 10/13 3 / 3 pts Question 17 The gauge pressure of the water in a swimming pool at 10 ft is twice the gauge pressure of the water at 5 ft. True False 3 / 3 pts Question 18 If the volume of a container is decreased while the mass and temperature of the gas inside it stay constant, the pressure will increase. True False 3 / 3 pts Question 19 You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. The pressure on your left palm is one half the pressure on your right palm. True

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 11/13 False 3 / 3 pts Question 20 The positively charged particle inside an atom is the nucleus. True False 3 / 3 pts Question 21 psi is a unit of force. True False 3 / 3 pts Question 22 The air we breathe is mostly oxygen. True False

11/2/23, 3:15 PM Quiz: Physics of Matter: PHYS101: Elements of Physics (D12) https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827 13/13 Select the closest matching pairs possible. 3 pts for each response. Mass Density Mass divided by volume Archimedes Principle The buoyant force actin Bernoullis Principle The pressure is lower w Pressure Force divided by area Buoyant Force The upward force exerte Quiz Score: 73 out of 75