2 Paula is studying the hydraulic car brake system. She learns that the brake system uses a master cylinder and wheel cylinders. When the brake pedal is pushed, the master cylinder: A Increases pressure in the brake lines B Decreases pressure in the brake lines C Maintains constant pressure D Stops the flow of brake fluid
3 Chloe is learning about the application of Hooke's Law. She knows that it is used in spring balances. What does a spring balance measure? A Mass B Weight C Volume D Density
4 Ethan is learning about applications of Hooke's Law. He understands that Hooke's Law is used in shock absorbers. What is the purpose of a shock absorber? A To absorb energy and reduce impact B To increase energy C To store energy D To generate energy
5 Usman is learning about atmospheric pressure. He understands that atmospheric pressure is due to the weight of air. At higher altitudes, atmospheric pressure is: A Higher B Lower C The same D Zero
6 Khalid is learning about the application of the manometer. He understands that a manometer can measure gas pressure. If a manometer shows that the gas pressure is greater than atmospheric pressure, the liquid level in the manometer will: A Be higher on the open side B Be higher on the gas side C Be equal on both sides D Fluctuate randomly
7 Elasticity is the property of a material to: A Break easily B Change color C Regain original shape D Increase mass
8 What is the spring constant? A Force per unit mass B Extension per unit force C Force per unit extension D Area per unit force
9 Nadia is studying Pascal's principle. She learns that Pascal's principle applies to fluids. What is a fluid? A Only liquids B Only gases C Liquids and gases D Solids and liquids
10 Laura is studying the manometer. She learns that a manometer can be used to measure the pressure of a gas in a container. What is the pressure if the manometer reading is equal on both sides? A Zero pressure B Atmospheric pressure C Gauge pressure D Absolute pressure
11 Why do camels have wide feet? A To run fast B To increase pressure C To decrease pressure D To reduce weight
13 Bongani is studying the hydraulic car brake system. He learns that the brake fluid transmits pressure from the brake pedal to the brake pads. Why is brake fluid used? A Because it is compressible B Because it is incompressible C Because it is a good conductor of electricity D Because it is a good insulator
15 Pascal’s Law states that pressure applied to a confined liquid: A Acts upward only B Acts downward only C Is transmitted equally D Is reduced
16 Julia is studying applications of atmospheric pressure. She learns that a syringe works because of atmospheric pressure. When you pull the plunger of a syringe, what happens? A Air is pushed out B Liquid is pushed in C A vacuum is created that draws liquid in D Pressure increases inside
17 Liquid pressure depends on: A Shape of container B Depth of liquid C Color of liquid D Area of container
18 Nadia is studying the hydraulic car brake system. She learns that the brake system uses Pascal's principle. When the brake pedal is pressed, the pressure is transmitted through the brake fluid. What happens to the brake pads? A They move apart B They press against the wheel C They remain stationary D They rotate
19 A stiffer spring has: A Smaller spring constant B Zero spring constant C Larger spring constant D Negative spring constant
21 Beyond elastic limit, a material: A Returns to original shape B Shows permanent deformation C Becomes rigid D Stops stretching
22 Fatima is studying pressure. She understands that pressure can be increased by increasing force or decreasing area. Which of the following increases pressure? A Decreasing force B Increasing area C Decreasing area D Decreasing force and increasing area
23 Ahmed is learning about elasticity in his physics class. His teacher explains that elasticity is the property of a material to regain its original shape after deformation. Which of the following materials is considered highly elastic? A Clay B Rubber band C Plasticine D Dough
24 Aisha is learning about the hydraulic lift. She understands that the hydraulic lift is used to lift heavy vehicles. What is the advantage of a hydraulic lift? A It reduces the force needed B It increases the force needed C It changes the direction of force D It stores energy