"Resisting Bending" Shape and Structure PPT

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"Resisting Bending" Shape and Structure PPT

Part 1: What is related to the bending resistance of the beam?

What factors are speculated to be related to the bending resistance of the beam? Why this speculation?

It depends on the material. Different materials have different bending resistance.

Longer materials tend to bend easily, while shorter materials tend to bend less easily.

Wide and thick beams are the least likely to bend...

We use thick paper to build a beam and test how the width and thickness of the paper beam affect its bending resistance.

We pad both ends of the paper beam to a certain height, and bend the paper beam under pressure until it touches the tabletop as the bending standard; the number of load-bearing washers is used to indicate the bending resistance of the paper beam.

Paper beam width and bending resistance

What conditions should be kept constant? What conditions should be changed?

What is the relationship between the width of the paper beam and its bending resistance?

As the width of the paper increases, so does its resistance to bending.

Increasing the width of the beam increases its resistance to bending.

Resistance to bending PPT, part 2: Should the beam be placed flat or upright?

What shape does the cross section of the beam look like? Is it placed flat or upright? Can we justify this placement?

Can you use the material below to justify your case?

Use your hands to bend a ruler (popsicle stick). It bends easily when it is flat but not when it is standing up.

Thickness increases a beam's resistance to bending more than width.

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For more information about the "Shape and Structure Resistance to Bending" PPT courseware, please click the Shape and Structure ppt Resistance to Bending ppt tab.

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Update Time: 2024-09-06

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

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