Track 2 Form 3 Physics Worksheet - Annual Examinations For Secondary Schools, 2014 Page 5
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12B
A
Figure 6
i) Name the force:
‘A’ acting between the block and the ground. _____________________________ [1]
‘B’ acting in the stretched rope. ________________________________________ [1]
ii) Draw on Figure 6 the reaction of the ground on the wooden block.
[1]
b) Jasmine loads the spring shown in Figure 7 using 1 N weights. She plots a graph of
extension (cm) against load (N).
20
15
spring
10
5
weights
0
1
2
3
4
0
Load (N)
Figure 7
i) She measures the extensions of the spring by using a __________________________ [1]
ii) How does she know that the spring obeys Hooke’s law?
_______________________________________________________________________
_______________________________________________________________________
_____________________________________________________________________ [1]
iii) The original length of the spring is 40 cm. Calculate the new length of the spring when
the total load is 6 N. (Assume that the spring continues to obey Hooke’s law).
_______________________________________________________________________
_______________________________________________________________________
_____________________________________________________________________ [2]
iv) Jasmine performs the same experiment with a similar spring which is stiffer.
Physics – Secondary Schools – Track 2 – Form 3 – 2014
Page 5 of 12
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education