A pair of pliers are class 1 levers which we use very often but rarely recognize them as such. With a Class 2 lever, the fulcrum is moved to one end of the lever, with the load in the middle and ...

(Class 2) place the fulcrum at one end of the lever and the effort at the other, with the load in the centre. The closer together the fulcrum and load are, the easier it is to lift the load.

(Class 2) place the fulcrum at one end of the lever and the effort at the other, with the load in the centre. The closer together the fulcrum and load are, the easier it is to lift the load.

What are the hooks on tyre levers for? Most tyres need two levers to get them on and off, and sometimes you need two hands for a single lever. The hooks on tyre levers allow the lever to hook ...