3Answer all questions with tidy and neat diagrams accompanying detailed workout steps.

QUESTION 3 (20 marks) A rectangular block (Object B) 1s on the ground where the coefficient of friction between the block and the ground 1s 0.25. The weight of the block is at the centre of the block. There is a triangular loading acting against the one of vertical faces of the block. Gravity=9.81m/s2. (a) If the height of the triangular loading is 60m. can the block slide or overturn? (10 marks) (b) What is the maximum to ensure that the block will not overturn or slide? (5 marks) (c) Comment on the possible structure representing this set up (5 marks) |1{Jm| 100m 50 Tonnes P=9.81*ZkN/m