Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a
distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined
moment is:
2. Question | English A
Instructions: Select the option A, B, C or D that BEST describe the sentence.
Seldom do people declare that they are not the products of their environment.
3. Question | Biology
Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica
plant by:
4. Question | Mathematics
How much simple interest is due on a loan
of $240 for two years if the annual rate of
interest is 4 per cent?
5. Question | Information Technology
All the following are special purpose software EXCEPT
6. Question | Social Studies
Which is the MOST appropriate order of tasks for job seeker?
1. Write applications for the desired jobs.
2. Assess the suitability of the available jobs given his/her qualifications and interests.
3. Collect information about available job vacancies.
7. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
8. Question | Integrated Science
Some plants reproduce by forming bulbs. The new plants that grow from the bulbs will be genetically identical
because:
9. Question | Chemistry
The electrical charges on a proton and an electron are:
10. Question | Biology
Oxygen is carried around the body by the:
11. Question | Biology
Plant stems grow towards a light source.This is an example of:
12. Question | Mathematics
A rectangular tank is 50 cm long, 50 cm wide
and 10 cm deep.
The volume of liquid it will hold is
13. Question | Mathematics
This question refers to the triangle PQR in
which angle QPR = 90°, PR = 12 cm and
PQ = 5 cm.
The length of QR, in cm, is
14. Question | Physics
A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about
the nucleus is NOT true?
15. Question | Biology
Cells become specialised to carry out different roles.This process is called:
16. Question | Chemistry
The state symbol for a solution in water is:
17. Question | Biology
Which of the following is NOT found dissolved in plasma?
18. Question | Mathematics
In a school of 910 pupils, 2/5 are girls and
2/7 of the girls play netball. How many
girls play netball?
19. Question | Biology
The following are all features of insect-pollinated flowers EXCEPT for: