Forces and Structures

Forces and Structures

Assessment

Flashcard

Science

7th Grade

Practice Problem

Easy

Created by

Amy Kreft

Used 1+ times

FREE Resource

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9 questions

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1.

FLASHCARD QUESTION

Front

external force

Back

A force acting on an object or structure from the outside. Eg. gravity; wind; kicking a soccer ball

2.

FLASHCARD QUESTION

Front

internal force

Back

A force that acts on an object from the inside. Eg. tension in a stretched elastic; weight of room sitting on walls of building.

3.

FLASHCARD QUESTION

Front

dead load

Back

A permanent force acting on a structure, such as the weight of the structure itself

4.

FLASHCARD QUESTION

Front

live load

Back

A type of load that changes, such as people walking across a bridge, snow on a roof, etc.

5.

FLASHCARD QUESTION

Front

4 types of forces

Back

Tension (stretch), compression (squish), shear (tear), torsion (twist)

6.

FLASHCARD QUESTION

Front

lever

Back

A tool that changes the amount of force needed to move an object

7.

FLASHCARD QUESTION

Front

fulcrum

Back

The fixed point around which a lever pivots

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