Grace / A2 / Extended Lab

Research on Plas tic shopping bags By Grace, A2 1

Background ,[object Object],[object Object],[object Object]

Help!!! ,[object Object],[object Object],[object Object]

Some ideas come up… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object]

Stress/ Pa Strain Cross-sectional area/m 2 Weight/N Thickness of cross section/m Extension of the strip/m Mass of the loads/kg

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Some facts of plastic shopping bags ,[object Object]

Composition ,[object Object],[object Object],[object Object]

Advantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disadvantages ,[object Object],[object Object],[object Object],[object Object],[object Object]

Grace / A2 / Extended Lab

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