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MCQ General Science Chapter 3 Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Force and Pressure

1. What exerts pressure equally in all directions within a container?

Question 1 of 20

2. What is the atmospheric pressure at sea level called?

Question 2 of 20

3. Why don’t we feel atmospheric pressure on our heads?

Question 3 of 20

4. What is the upward force acting on an object in a fluid called?

Question 4 of 20

5. Why does a bucket feel lighter when immersed in water?

Question 5 of 20

6. Why does a steel ship float while an iron nail sinks?

Question 6 of 20

7. What does buoyant force depend on?

Question 7 of 20

8. According to Archimedes’ Principle, what is the buoyant force equal to?

Question 8 of 20

9. What happens to an object if the buoyant force is larger than its weight?

Question 9 of 20

10. What is the SI unit of density?

Question 10 of 20

11. What is relative density also called?

Question 11 of 20

12. If a screw exerts a pressure of 10⁶ Pa, what does this indicate?

Question 12 of 20

13. Why does a block exert maximum pressure on surface BCFG?

Question 13 of 20

14. What is the weight of a 100 g marble tile in water if its density is 2.5 g/cc?

Question 14 of 20

15. What is the SI unit of force?

Question 15 of 20

16. The air pressure on our body is equal to what pressure?

Question 16 of 20

17. Why do heavy vehicles have a large number of wheels?

Question 17 of 20

18. Why is the wall of a dam broader at its base?

Question 18 of 20

19. If an object has a volume of 20 cm³ and mass of 50 g, will it float or sink in water?

Question 19 of 20

20. What will a sealed box of volume 350 cm³ and mass 500 g do in water?

Question 20 of 20


 

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