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Fist class lever
yes the knife is a lever but i am not sure whether it is first class or third class lever.
Yes, the fulcrum is at the end, and the load is in the middle
First class lever
first class lever
a paper cutter is a class two lever
no
Fist class lever
no it is a lever
The main cutter or the clip is third class and the handle is of second class.
It uses both third class and second class level., because, the part which is cutting the nail, is the third class. But the part where you're putting the finger and pushing, that becomes second class lever.
Yes.
lever at crank, connected by chain to lever at rear wheel
the handlebars are a first class lever. the fulcrum (the balance point) is in the middle.
yes the knife is a lever but i am not sure whether it is first class or third class lever.
Yes, the fulcrum is at the end, and the load is in the middle
I suppose it is. For the rear the chain connects at one radius, the pedal at another and the contact patch to the ground on a 3rd.