I am going to investigate if there are any relationships which link the load supported by a cantilever with the sag.

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CANTILEVERS PHYSICS COURSEWORK

Aim

I am going to investigate if there are any relationships which link the load supported by a cantilever with the sag.

Variables

The possible variables for this experiment are a) the load and b) the overhang. I think that the load of the cantilever would affect the output variable (the sag) by increasing it as the load increases. The overhang of the cantilever is the length of the girder or beam after there is nothing supporting it underneath. The sag should increase as the overhang increases.

Equipment

The equipment that I will need to use in this experiment is as follows:

* A cantilever (100cm ruler)

* Newton weights (4N maximum)

* A clamp

* Table

* Ruler

* An S-hook

The equipment will be set up as shown below.

Method

I am going to hang different masses on the end of the cantilever using an S-hook when the equipment is set up as shown above. This will be my input variable. The overhang of the cantilever will be kept the same; I will decide on this length by carrying out