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2023-24 S2

FACULTY OF ENGINEERING

ENGG1300 Fundamental Mechanics

Assignment 1 – Forces, Moments and Static Equilibrium

[Due on 22 Feb 2024 (Thu)]

For all problems, please use g = 10 m/s2 and 2 decimal places for the values.

Q1. (score 30)

Determine the weight of the flower pot and the forces in cables AC and AD if the tension of cable AB is 152.03 N. Please use α, β and θ as it is defined in the figure below in the calculation steps to present your answers.

Q2. (score 30)

Replace the forces and two couple moments, acting on the pipe assembly, by an equivalent resultant force and couple moment at point O.

Q3. (score 40)

Support A is a pin support and support C is a roller support.

a. Draw a free body diagram (FBD) of the above structure.

b. Determine the magnitude and direction of vertical reaction at support C (roller).

c. Determine the magnitude and direction of horizontal reaction at support A (pin).

d. Determine the magnitude and direction of vertical reaction at support A (pin).