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