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