AQA Technical Principles - Changing magnitude and direction of force
A PowerPoint presentation and accompanying worksheet that is aligned to the AQA DT specification requirements:
Levers:
first order
second order
third order.
Linkages:
bell cranks
push/pull.
Rotary systems:
CAMs and followers
simple gear trains
pulleys and belts.
A complete lesson that can be used as standalone coverage of the specification content or as over work.
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$2.69