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no it is in fact a first class lever because a see-saw is first class and this is basically a see saw except instead of a handle on each side there is 2 on one side so therefore its a first class but people think it is a second class because of scissors but this a scissors have a difference and that difference it that when using scissors when you move one handle, it moves on the other side of the fulcrum but with a can opener the handles make the actual metal that opens the can move not just the same thing but on the other side

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10y ago
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13y ago

There are three classes of levers and each represents a positional configuration of the fulcrum, the load and the force on the lever:

Class 1: The fulcrum is located between the applied force and the load

Class 2: The load is situated between the fulcrum and the force

Class 3: The force is applied between the fulcrum and the load

No its a second class lever because the fulcrum is located at one end and the force is applied to the lever arm at the other end. The "load" in this case is the can.

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12y ago

-- If you push down to open the soda, then your opener is a First Class lever.

-- If you lift up to open the soda, then your opener is a Second Class Lever.

-- I have never seen a Third Class lever used as a soda opener.

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12y ago

No. A bottle opener is an example of a class 2 lever. The load is located between the fulcrum and the force.

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14y ago

It's a first class lever.

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13y ago

Yes it is a second class lever

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14y ago

it is on face book

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12y ago

yes

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Q: Is a pencil sharpener a first class lever?
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A pencil sharpener is made up mostly of a helical inclined plane (screw) and a lever.


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A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.


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A pencil sharpener is an example of a simple machine known as a wedge. The blade inside the sharpener is shaped like a wedge, which helps to cut and shape the pencil tip when it is inserted and rotated.


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