Pressure and Moments

1
Pressure and Moments
2
Q1. What is the gaseous layer on a planet called?
3
A1. Atmosphere
4
Q2. What is the total force applied divided by
the area on which it acts called?
5
A2. Pressure
6
Q3. What is the gaseous mixture surrounding the
planet Earth called?
7
A3. Air
8
Q4. What are the Earth's oceans principally made
of?
9
A4. Water
10
Q5. What is the height of liquid in a container
called?
11
A5. Depth
12
Q6. What do you call something that prevents the
natural flow of a river?
13
A6. Dam
14
Q7. What is the SI unit of pressure - one newton
per square metre?
15
A7. Pascal
16
Q8. What is the opposite of an operation or
action called?
17
A8. Inverse
18
Q9. What do you call something that causes an
object to change speed or direction?
19
A9. Force
20
Q10. What is another word that means to squash?
21
A10. Compress
22
Q11. Which word means totally resistant to being
squashed?
23
A11. Incompressible
24
Q12. What are tiny pieces of matter called?
25
A12. Particles
26
Q13. What is transmission of compressive forces
by a liquid called?
27
A13. Hydraulics
28
Q14. Which state of matter has particles close
together but can move easily past eachother?
29
A14. Liquid
30
Q15. Which state of matter has particles far
apart and moving quickly
31
A15. Gas
32
Q16. Gases and liquids are both what?
33
A16. Fluid
34
Q17. What is the state of matter where particles
are close together and cannot move past eachother
easily?
35
A17. Solid
36
Q18. What is the product of the applied force and
the perpendicular distance to the axis called?
37
A18. The moment
38
Q19. What do you call a point about which
something turns - a lever for example?
39
A19. Pivot
40
Q20. What do you call a point about which
something turns - a seesaw for example?
41
A20. Fulcrum
42
Well Done!Now check your score