Physics Boys' Secondary Mosta Half-Yearly Examinations Form 3 - Kullegg Maria Regina, 2015-2016 Page 7
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10S
B
ECTION
This section carries 45 marks.
6. This question is about pressure in liquids.
a) To calculate the pressure in a liquid we use the equation P = h ρ g.
‘h’ is the ________________ of the liquid.
Complete:
‘ρ’ is the ________________ of the liquid.
‘g’ is the acceleration due to ________________.
[3]
b) Holes are punched in a plastic bag filled with water as shown in the diagram below.
plastic bag filled
with water
This experiment shows that pressure in a liquid acts in all ________________________.
[1]
c) A large water tank is placed on top of a building as shown below in Figure 6.
water tank
1 m
4 m
building
Figure 6
A
B
(i) The pressure on the surface of the water is called ________________________ pressure. [2]
(ii) If a wider tank is used, would the pressure at the bottom of the tank be equal to, smaller
than or greater than the one in Figure 6?
______________________________________________________________________________
[2]
3
(iii) Given that the density of water is 1000 kg/m
, calculate the water pressure at the bottom of
the water tank.
[2]
______________________________________________________________________________
(iv) What is the total vertical height of water above point A?
______________________________________________________________________________
[1]
(v) Calculate the water pressure at point A.
[2]
______________________________________________________________________________
(vi) Why is the water pressure at B equal to that at A?
[2]
______________________________________________________________________________
Page 7 of 10
Physics Half yearly exam 2016– Track 2 - Form 3
ADVERTISEMENT
0 votes
Related Articles
Related forms
Form 3 Physics - Boys'' Secondary Mosta Half-yearly Examinations - Kullegg Maria Regina, 2016
Education
Form 3 Physics - Boys'' Secondary Mosta Half-yearly Examinations - Kullegg Maria Regina, 2012
Education
Related Categories
Parent category: Education