www
55.
In your exercise book, draw a diagram of an
eccentric cam. Label the parts and explain how it
works. Name two machines that use an eccentric
cam.
56.
Listen to five sentences. Are they true or false? If a
sentence is false, explain why.
57.
Analyse the objects below: a music box and the
crank system of an awning. Describe the
mechanisms that these objects contain. Explain
how these various parts work.
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5. Mechanisms
FINISHING THE FINAL TASK
To finish the task of this unit, make a presentation about the mechanisms that form a bicycle. Follow these steps:
❚❚
Find images or take photos of the various parts of your bicycle, such as the wheels, handlebars, pedals, sprockets,
chain, brakes, etc.).
❚❚
Upload the photos to a presentation programme, such
as PowerPoint or Free Office Impress.
❚❚
Include images from the mechanism simulator that you
used in this unit.
❚❚
Add information about basic bicycle maintenance and
repair.
Now you know your bicycle better than anyone!
Analysis of the mechanisms of a bicycle
STUDY TECHNIQUES
❚❚
Make a summarywith information fromtheKey concepts
boxes of this unit. Include any other information that
you think is important.
❚❚
Make a chart of the key concepts in this unit, following
the example below.
❚
Make a technical dictionary. Include definitions for the following terms: mechanism, input source, output receptor,
lever, pulley, gear. Then add other terms that you consider most relevant.
such as
Mechanisms
Transmit motion
such as
such as
Transform motion
Direct and regulate motion
are used to
ADVANCE
EDITION
