Mechanisms:
The figure below shows a wheelbarrow.
Source: http://sweetclipart.com/wheelbarrow-line-art-1107
a) Identify the class of lever used in the figure above. [1]
b) Sketch out the wheelbarrow and mark the positions of the load (L), fulcrum (F) and effort (E) clearly using arrows. [4]
Sunday, March 16, 2014
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