Annual Examinations For Secondary Schools 2015 (Physics) Worksheets - Department For Curriculum Management Page 4
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
123. John uses a crowbar to
lift up a piece of heavy
furniture.
a) State the principle (law)
of moments.
____________________
____________________
____________________
Figure 2
____________________
________________________________________________________________________[1]
b) Calculate the moment produced by the furniture if it makes a downward force of 800 N at
Point A.
________________________________________________________________________[2]
c) What is the value of the moment produced by John assuming the system is in equilibrium?
________________________________________________________________________[1]
d) Underline the correct answer:
The direction of the moment produced by John is (clockwise, anticlockwise).
[1]
e) The system is in equilibrium. Calculate the downward force F that John is exerting.
__________________________________________________________________________
________________________________________________________________________[2]
f) What change should be done to the above setup so that the force that John makes to lift the
furniture would be smaller?
________________________________________________________________________[1]
Page 4 of 12
Physics – Form 3 Secondary – Track 2 – 2015
ADVERTISEMENT
0 votes
Related Articles
Related forms
Annual Examinations For Secondary Schools Worksheets - Department For Curriculum Management And Elearning
Education
Physics Annual Examinations For Secondary Schools Form 5 - Directorate For Quality And Standards In Education, 2014
Education
Physics Annual Examinations For Secondary Schools Form 5 - Directorate For Quality And Standards In Education, 2012
Education
Physics Annual Examinations For Secondary Schools Form 5 - Directorate For Quality And Standards In Education, 2013
Education
Related Categories
Parent category: Education