levers Flashcards

1
Q

what is a lever

A

rigid structrue that rotates around axis

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2
Q

3rd class lever

A

force is applied in the middle

https://www.google.com/url?sa=i&url=https%3A%2F%2Fmammothmemory.net%2Fsports%2Flever-systems-in-the-body%2Fthird-class-lever%2Fthird-class-lever.html&psig=AOvVaw12_z3qHJ981vGy64GP5XxS&ust=1741785534633000&source=images&cd=vfe&opi=89978449&ved=0CBQQjRxqFwoTCLC6lPqOgowDFQAAAAAdAAAAABAE

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3
Q

mechanical advantage

A

force arm over resistance arm

above 1- amplying force

below 1 - increasing speed

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