0% This test need finish with in 15 minutes only, Otherwise it will be automatically submitted. Thank you. Practice more tests Class - 8- Physics - Force and Pressure - Test-1 1 / 15 1. The magnitude of frictional force depends on: Nature of surfaces Temperature Shape of object Color of object 2 / 15 2. When an object is at rest, the forces acting on it are: Zero None Balanced Unbalanced 3 / 15 3. A sharp knife cuts better than a blunt knife because: It is heavier It has more area It exerts more pressure It is made of steel 4 / 15 4. The pressure a liquid exerts on the walls of a container is called: Liquid pressure Vapor pressure Hydraulic pressure Atmospheric pressure 5 / 15 5. Which gas is used in barometers? Helium Oxygen Mercury vapor None; liquid mercury is used 6 / 15 6. The force per unit area is called: Pressure Energy Density Work 7 / 15 7. Force is a ____ quantity. Imaginary Scalar Vector Complex 8 / 15 8. A camel can walk easily on sand due to: Wide feet Narrow feet Sharp claws Long legs 9 / 15 9. Which force makes a ball thrown up come back down? Electrostatic force Magnetic force Gravitational force Friction 10 / 15 10. When the same force acts on two objects of different masses, which will have greater acceleration? Lighter object Both same None Heavier object 11 / 15 11. Why do nails have pointed ends? For decoration To increase pressure To increase area To reduce pressure 12 / 15 12. If you push a wall, what happens? Wall breaks Nothing happens Wall moves Wall pushes back 13 / 15 13. In which direction does pressure act in a liquid? Upwards only All directions Downwards only Sideways only 14 / 15 14. Which of the following statements is correct? Magnetic force requires contact Muscular force acts at a distance Gravity is a non-contact force Friction is a non-contact force 15 / 15 15. Pressure at the bottom of a liquid depends on: Depth of the liquid Density of air above Color of liquid Surface area Your score isThe average score is 27% 0% Restart quiz
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Class - 8- Physics - Force and Pressure - Test-1
1 / 15
1. The magnitude of frictional force depends on:
2 / 15
2. When an object is at rest, the forces acting on it are:
3 / 15
3. A sharp knife cuts better than a blunt knife because:
4 / 15
4. The pressure a liquid exerts on the walls of a container is called:
5 / 15
5. Which gas is used in barometers?
6 / 15
6. The force per unit area is called:
7 / 15
7. Force is a ____ quantity.
8 / 15
8. A camel can walk easily on sand due to:
9 / 15
9. Which force makes a ball thrown up come back down?
10 / 15
10. When the same force acts on two objects of different masses, which will have greater acceleration?
11 / 15
11. Why do nails have pointed ends?
12 / 15
12. If you push a wall, what happens?
13 / 15
13. In which direction does pressure act in a liquid?
14 / 15
14. Which of the following statements is correct?
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15. Pressure at the bottom of a liquid depends on:
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