Forces experiments - schoolphysics
Forces experiments
Aim of the experiment
The aim of these experiments is to test the effect of different forces on a range of materials.
What to do
Collect a sample of each of the following materials (you can alter the names if you have some other materials to use)
Mark in the table how easy it is to squash, stretch, bend or twist each material.
|Material |Squashing |Stretching |Bending |Twisting |
|Air | | | | |
|Card | | | | |
|Foam | | | | |
|Mild steel | | | | |
|Plastic | | | | |
|Plastic bag | | | | |
|Plasticene | | | | |
|Pneumatic spring | | | | |
|Rope | | | | |
|Spring | | | | |
|Syringe | | | | |
|Wood | | | | |
Question
How do you think that your results of the experiment would affect the selection of materials for different parts of bridges
Forces in bridges
The word tension means stretching
The word compression means squashing
When the lorry gets to the middle of the bridge showing the picture mark on where you think there will be areas of compression and tension in the bridge.
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