1. The centre of gravity of an irregularly shaped thin lamina can be found using a:
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Question 1 of 37
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2. What happens to pressure if force doubles and area halves?
3. Which factor does not affect liquid pressure?
4. Which material shows elasticity?
5. Why do camels have wide feet?
6. Impulse is equal to:
7. Why is atmospheric pressure lower on mountains?
8. Pascal’s Law states that pressure applied to a confined liquid:
9. The limit of proportionality is the point where:
10. In a load-extension graph, the straight line shows:
11. Unit of impulse is:
12. Which of the following increases impulse?
13. The turning effect of a force is called:
14. Elasticity is the property of a material to:
15. What is pressure?
16. Atmospheric pressure is due to:
17. What is the spring constant?
18. What happens to the shape of a body when a force is applied?
19. The mathematical form of Newton’s Second Law is:
20. Standard atmospheric pressure is equal to:
21. Which of the following is an example of action-reaction pair?
22. What is meant by the resultant force?
23. A stiffer spring has:
24. The vertical or perpendicular component of a force F making an angle θ with the horizontal x-axis is given by:
25. The SI unit of pressure is:
26. Liquid pressure depends on:
27. Newton’s Second Law of Motion relates force with:
28. Hooke’s Law is valid up to:
29. If mass of a body is doubled and force remains same, acceleration will:
30. Atmospheric pressure decreases with:
31. The working liquid in a mercury barometer is:
32. Formula of momentum is:
33. Which instrument measures atmospheric pressure?
34. Pressure at the bottom of a lake is:
35. Action and reaction forces act on:
36. Liquid pressure increases with:
37. Which force can change the size of a body?