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ENGINEERING, CS 2023 HSC 22b

The diagram shows a child with a mass of 45 kg hanging 2 metres from the left end of a structure, and an adult with a mass of 85 kg hanging 1 metre from the right end.

 

  1. Calculate the reactions at and .   (3 marks)
      

 

  1. Complete the shear force and bending moment diagrams of the scenario described.   (3 marks)

 

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ENGINEERING, CS 2018 HSC 27b

Why would an engineer refer to shear force diagrams and bending moment diagrams when determining the effects of loads on a beam?   (4 marks)

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→ Shear force and bending moment diagrams are graphs used together with structural analysis to assist engineers in the structural design process.

→ They help quantify the size of shear forces and bending moments on a structural element, such as a beam, at a given point, so possible weaknesses in the element can be determined.

→ They are used to establish the size, type and material of a beam in a structure so that support can be provided without structural failure.

→ So SF and BM diagrams help structural engineers decide the geometry and material of design elements.

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→ Shear force and bending moment diagrams are graphs used together with structural analysis to assist engineers in the structural design process.

→ They help quantify the size of shear forces and bending moments on a structural element, such as a beam, at a given point, so possible weaknesses in the element can be determined.

→ They are used to establish the size, type and material of a beam in a structure so that support can be provided without structural failure.

→ So SF and BM diagrams help structural engineers decide the geometry and material of design elements.

ENGINEERING, AE 2019 HSC 24c

A drawing of an aircraft in flight is shown. This aircraft maintains a constant velocity when in level flight.
 

On the following page, draw a labelled shear force diagram AND a labelled bending moment diagram for this situation. Include a labelled free body diagram to support your answer.

Assume the centre of lift on each wing acts as a point load located 7.5 m from the centre line of the plane.

Calculations can be completed in the space below.   (6 marks)

 

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♦ Mean mark 50%.

ENGINEERING, CS 2022 HSC 23d

A solar panel is to be attached to the roof of a residential garage. A beam of mass 40 kg is shown. The solar panel generates a 25 kg point load as shown.   
 

Complete the shear force and bending moment diagrams for the beam, using an appropriate scale.   (4 marks)
 

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Notes:

→ Ensure each point is labelled

→ Label each axis with units so they do not have to be repeated at every point

→ Ensure consistent scale and correct distances between forces

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Notes:

→ Ensure each point is labelled

→ Label each axis with units so they do not have to be repeated at every point

→ Ensure consistent scale and correct distances between forces