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This question is worth 20 marks Figure 2 shows a decorators plank, which is 5 m in length, supported on two trestles. The ma

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2-5m WA 8 RI b Conditions a point Csaq D ust be equal to zerd (d) 어시B/ F So equa 2 becomes

3 に: 3 stressForce 232.S7 2 N/m2. 743336.87 =

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This question is worth 20 marks Figure 2 shows a decorator's plank, which is 5 m in length, supported on two trestles. The mass of the plank is 37 kg and the mass of the decorator is 70 kg. In or...
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