Machines and Movement · CSEC Integrated Science

36 past-paper questions on Machines and Movement, part of Section B: The Home and Workplace, from every CSEC Integrated Science paper on Quelpr.

1. 2(a)(i)1 mark· CSEC Integrated Science · 2005 · Paper 2State which feature of the strings must be kept constant or controlled during these tests.
2. 2(a)(ii)1 mark· CSEC Integrated Science · 2005 · Paper 2State what the investigator should do after removing each load before adding another during the tests.
3. 2(a)(iii)2 marks· CSEC Integrated Science · 2005 · Paper 2Provide two reasons explaining the shape of the graph lines shown in Figure 3.
4. 2(a)(iv)3 marks· CSEC Integrated Science · 2005 · Paper 2Explain which string (P, Q, or R) can support the largest load while still remaining elastic.
5. 2(a)(v)a)2 marks· CSEC Integrated Science · 2005 · Paper 2State which string was chosen for professional tournament rackets and provide one reason for the selection.
6. 2(a)(v)b)2 marks· CSEC Integrated Science · 2005 · Paper 2State which string was chosen for school children's rackets and provide one reason for the selection.
7. 2(b)(iii)1 mark· CSEC Integrated Science · 2006 · Paper 2State the class of lever represented in Diagram A of Figure 1.
8. 2(c)2 marks· CSEC Integrated Science · 2006 · Paper 2If the force applied (load) is 8 N and the effort is 2 N, calculate the mechanical advantage of the bottle opener.
9. 2(d)(i)2 marks· CSEC Integrated Science · 2006 · Paper 2State ONE factor which may contribute to the inefficiency of the car jack shown in Figure 3.
10. 2(d)(ii)1 mark· CSEC Integrated Science · 2006 · Paper 2Suggest ONE method that may be used to overcome the inefficiency of the car jack in (d)(i).
11. 6(d)1 mark· CSEC Integrated Science · 2007 · Paper 2Define what a 'machine' is.
12. 6(e)(i)3 marks· CSEC Integrated Science · 2007 · Paper 2Label Figure 9 to show the effort force (E), the fulcrum (F), and the load (L).
13. 6(e)(ii)2 marks· CSEC Integrated Science · 2007 · Paper 2Explain why the bottle opener, used as shown in Figure 9, is considered to be a machine.
14. 2(a)4 marks· CSEC Integrated Science · 2008 · Paper 2Complete Table 2 by classifying each machine as a pulley, lever, or inclined plane, and state how each makes work easier.
15. 2(b)(i)a)1 mark· CSEC Integrated Science · 2008 · Paper 2Identify which lever shown in Figure 2 is a second-order lever.
16. 2(b)(i)b)1 mark· CSEC Integrated Science · 2008 · Paper 2Identify which lever shown in Figure 2 is a third-order lever.
17. 2(b)(ii)1 mark· CSEC Integrated Science · 2008 · Paper 2Label lever D in Figure 2 to indicate the positions of the fulcrum (F), effort (E), and load (L).
18. 2(c)(i)1 mark· CSEC Integrated Science · 2008 · Paper 2From Figure 3, estimate the mechanical advantage for a load of 5 N.
19. 2(c)(ii)2 marks· CSEC Integrated Science · 2008 · Paper 2Calculate the effort applied for a load of 5 N using the mechanical advantage from Figure 3.
20. 2(c)(iii)2 marks· CSEC Integrated Science · 2008 · Paper 2Describe the trend shown by the graph in Figure 3.
21. 2(c)(iv)1 mark· CSEC Integrated Science · 2008 · Paper 2Suggest a reason for the trend observed in Figure 3.
22. 4(a)(i)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2What is the function of a simple machine?
23. 4(a)(ii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Name ONE simple machine other than the lever and pulley.
24. 4(a)(iii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2State the formula for the 'mechanical advantage of a simple machine'.
25. 4(a)(iv)2 marks· CSEC Integrated Science · May/June 2012 · Paper 2A mechanic uses a pulley to apply an effort of 100 N to lift a car engine of weight 1000 N. Calculate the mechanical advantage of the pulley.
26. 4(a)(v)2 marks· CSEC Integrated Science · May/June 2012 · Paper 2The pulley made a squeaking sound when it was being used, so the mechanic lubricated the pulley. Explain why he now uses less effort to lift the load.
27. 4(b)(i)4 marks· CSEC Integrated Science · May/June 2012 · Paper 2Explain why the action of the biceps, elbow joint and forearm during the lifting of the object can be referred to as a distance multiplier.
28. 4(b)(ii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Name the class of lever presented in Figure 5.
29. 4(c)3 marks· CSEC Integrated Science · May/June 2012 · Paper 2Label on the diagram the effort, load and fulcrum.
30. 3(c)(i)1 mark· CSEC Integrated Science · May/June 2015 · Paper 2State ONE variable that is held constant during the experiment.
31. 3(c)(ii)2 marks· CSEC Integrated Science · May/June 2015 · Paper 2Explain why the car was able to travel further when the axle was oiled.
32. 3(c)(iii)2 marks· CSEC Integrated Science · May/June 2015 · Paper 2From the experiment on page 9, state ONE advantage of friction and ONE disadvantage of friction.
33. 5(c)6 marks· CSEC Integrated Science · May/June 2015 · Paper 2Identify FOUR machines (tools) that are made of metals and discuss ONE factor that may reduce the efficiency of these machines (tools).
34. 4(c)(i)1 mark· CSEC Integrated Science · May/June 2016 · Paper 2State what is meant by the term 'inefficiencies of machines'.
35. 4(c)(ii)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Use your calculations in (b)(iii) to deduce which surface made the toy car more efficient, giving a reason.
36. 4(c)(iii)1 mark· CSEC Integrated Science · May/June 2016 · Paper 2State ONE factor, other than friction, that contributes to the inefficiency of machines.