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9 marksStatics

CSEC Physics · May/June 2008 · Paper 2 · Question 4(b)(ii)a)

Figure 3 shows a wheelbarrow and stones with a total mass of 43 kg. The wheelbarrow is in equilibrium with two of the three forces acting on it shown in Figure 3.

Calculate the weight, W (see Figure 3). [acceleration due to gravity, g = 10 ms⁻²]

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Other parts of this question

  1. 4(a)(i)Define the 'moment of a force'.[6 marks]
  2. 4(a)(ii)Draw a diagram to illustrate the action of a force multiplier lever.[6 marks]
  3. 4(a)(iii)Explain the operation of a force multiplier lever.[6 marks]
  4. 4(b)(i)Identify the nature and point of action of the third force acting on the wheelbarrow. Write down an equation showing the relationship between the THREE forces.[9 marks]
  5. 4(b)(ii)b)Calculate the value of the applied force, F (see Figure 3). [acceleration due to gravity, g = 10 ms⁻²][9 marks]

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