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