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Gr. 7- Structure & Forces: Section 2.2

Last updated over 3 years ago

6 questions

                     2.2 External Forces Acting on Structures

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Question 1

1.

As per our discusion what is the definition of an "External Force"? Provide an example of at least ONE external force that acts constantly upon you.

Question 2

2.

Why would you measure taller in space than you would back down on the earth? Explain.

Question 3

3.

What is meant by "The Centre of Gravity"? Provide a practical example of this principle in action.

Question 4

4.

What is "symmetry"? Why is this principle important in regard to structure design? (pg. 287)

Question 5

5.

Define "LOAD"? What is the difference between "Static" and "Dynamic" load? (pg. 288 & 287)

Question 6

6.

Provide examples of the FOUR types of bridges we talked about, either by sketching or inserting an image. Be sure to label each bridge what style they are. (pg. 290 & 291)