Science Quiz: Class VIII: Chapter: Force & Pressure 1. What is the SI unit of force? a. KG Joule b. Newton kelvin 2. What is the SI unit of area? a. Centimeter b. Square meter Milimeter All 3. What is the SI unit of pressure? a. Newton KG b. Joule pascal (Pa) 4. The atmospheric pressure at sea level has a mean value of ...............pascals a. 101,325 101,220 b. 101,100 101,322 5. Pressure increase when: a. Volume decreases b. forces decreases Volume increases None 6. _____is the force imparted per unit area of a liquid on the surfaces which it has contact. a. Pneumatic system liquidation b. Hydraulic system None 7. Formula for Pressure is: a. P=Force/work b. P=F/V P=F/K P=F/A 8. pressure exerted by a 10 Newton force on 5 meter square area? a. 10 pascal 5 pascal b. 12 pascal 2 pascal 9. Continuous physical force exerted on or against an object by something in contact with it, is called________ a. Volume Force b. Area Pressure 10. The amount of space that a substance or object occupies, or that is enclosed within a container, is called: Area Perimeter Circumference Volume Answers: 1. Newton 2. Square meter 6. Hydraulic system 7. P = F/A 3. Pascal (Pa) 8. 2 pascal 4. 101,325 9. Pressure 5. Volume decreases 10. Volume