SF.2.c Structural failure

SF.2.c Structural failure

7th Grade

16 Qs

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SF.2.c Structural failure

SF.2.c Structural failure

Assessment

Quiz

Science

7th Grade

Practice Problem

Hard

Created by

Mike Auer

Used 12+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

What kind of failure happened to these railway tracks, and why?

Buckling, due to thermal contraction

Buckling, due to thermal expansion

Compression failure, due to thermal contraction

Shear failure, due to thermal expansion

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

This structure is an architectural example of a...

Girder

Simple beam

Cross beam

Cantilever

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

This structure is an example of a...

Girder

Simple beam

Cross beam

Cantilever

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

A 2x4 piece of wood is an example of a...

Girder

Simple beam

Cross beam

Cantilever

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In physics, "moment" refers to...

A moment in time

30 seconds

A force

A turning, or rotating action

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A door with a doorknob in the centre will require more force to open the same way as a door with "normal" doorknob because...

The distance between the force and supporting hinge is longer, creating a smaller moment

The distance between the force and supporting hinge is shorter, creating a larger moment

The distance between the force and supporting hinge is longer, creating a smaller moment

The distance between the force and supporting hinge is shorter, creating a smaller moment

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Tire wrenches are tools that tighten/loosen lug nuts on a wheel. Extending the wrench with a longer handle makes it easier to loosen a nut because...

The distance between the force and lug nut is longer, creating a smaller moment

The distance between the force and lug nut is shorter, creating a larger moment

The distance between the force and lug nut is longer, creating a larger moment

The distance between the force and lug nut is shorter, creating a smaller moment

Answer explanation

Media Image

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