Science - Structures and Stability

All are functions of structures EXCEPT

• to support something

• to make something beautiful

• to protect the contents

• to span a gap

Which of the following structures would be the BEST suited to keep a vicious (bad) dog away from people?

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• 
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What type of structure is shown?

• Frame

• Dome

• Truss

• Shell

Objects on earth stay grounded and NOT float because of:

• heaviness

• stability

• gravity

• its structure

The centre of gravity on a human being standing upright is found ____

• just below the belly button

• under the feet

• just above the belly button

• in the ears

The picture shown depicts:

• structural damage

• structural pull

• structural force

• structural failure

Choose the correct answer to complete the sentence below:

A TRUSS is a __________.

• network of beams that form rectangles

• network of beams that for triangles

• network of beams that form squares

• network of beams that form a pattern

What structural feature is the arrow pointing to in the picture?

• dome

• truss

• beam

• arch

Which of the following is an example of a FRAMED structure?

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• 
• 

Two main types of structures are frame and shell.

• true

• false