MCQ Science Curiosity Chapter 5 Class 8 CBSE Board

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Exploring Forces

1. What is the SI unit of weight?

Question 1 of 20

2. What device measures the weight of an object?

Question 2 of 20

3. What is the smallest weight a spring balance with 5 divisions between 1 N marks measures?

Question 3 of 20

4. What is the difference between mass and weight?

Question 4 of 20

5. Why does a plastic bottle bounce back in water?

Question 5 of 20

6. What is the upward force applied by a liquid on an object called?

Question 6 of 20

7. What determines if an object floats or sinks per Archimedes’ Principle?

Question 7 of 20

8. Why does pumice float on water?

Question 8 of 20

9. What force causes a fruit to fall from a tree?

Question 9 of 20

10. What can a force change in a moving object?

Question 10 of 20

11. What force is used when pressing an inflated balloon?

Question 11 of 20

12. Why does a bicycle speed up downhill without pedaling?

Question 12 of 20

13. What force aligns a compass needle to the north?

Question 13 of 20

14. What does friction do to a moving object?

Question 14 of 20

15. Why are aeroplanes designed with specific shapes?

Question 15 of 20

16. What happens when unlike charges are brought close?

Question 16 of 20

17. What force stops a bicycle when brakes are applied?

Question 17 of 20

18. What affects the buoyant force on an object in a liquid?

Question 18 of 20

19. What type of motion occurs when an object is thrown vertically upwards?

Question 19 of 20

20. Why does a charged balloon attract a woolen cloth?

Question 20 of 20


 

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