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Test 1

COURSE : PDB 1013 STATICS & DYNAMICS TOTAL MARKS : 40 TIME : 60 Min

This question paper consists of TWO pages. Answer ALL questions. Start each question

on new page.

Where applicable, show clearly steps taken in arriving at the solutions and indicate ALL

assumptions, if any.

Do not share your calculator.

1)

a) FIGURE 1 (a) shows TWO ropes are connected between AC and AB and these are

pulling with forces FC and FB, respectively. Determine the angle between the forces

FC and FB.

[10 marks]

FIGURE 1 (a)

2

b) A link AB is supported by a rolled/ sliding joint at A and B as shown in FIGURE

1 (b). Draw the free body diagram and determine support reactions on the link.

FIGURE 1 (b)

[10 marks]

2) FIGURE 2 shows a truss supported by a pin joint at A and roller joint at D. Determine

the forces in all the NINE members.

[20 marks]

3

FIGURE 2