Quelpr
4 marksForces and Equilibrium

CSEC Integrated Science · 2009 · Paper 2 · Question 6(b)

An irregular-shaped piece of thin cardboard is provided along with pins, string, a retort stand, a small mass and a ruler.

Describe a method of finding the centre of gravity of the piece of cardboard.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)Define the term 'centre of gravity'.[1 mark]
  2. 6(c)Label with an X the likely position of the centre of gravity of the cardboard shown in Figure 9.[1 mark]
  3. 6(d)Suggest a reason why it is easier to carry two market bags of equal mass than to carry one bag with the combined mass.[2 marks]
  4. 6(e)(i)Distinguish between 'stable equilibrium' and 'unstable equilibrium'.[2 marks]
  5. 6(e)(ii)What problems would the driver of the truck encounter when taking a left turn at high speed?[1 mark]
  6. 6(e)(iii)Give a reason for your answer to (e)(ii).[1 mark]
  7. 6(e)(iv)What is the likely consequence when the truck is moving after all paper towels have been offloaded from the right side?[1 mark]
  8. 6(e)(v)Suggest two actions the driver of the truck can take to prevent these problems.[2 marks]

More practice: the rest of this paper · more Forces and Equilibrium questions · all CSEC Integrated Science past papers