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