When a *car needs major repairs*, the car dealer will typically take it to a **car body shop**. At the car shop, they will typically disassemble the vehicle and repair/re-assemble it with new parts.

At some shops, like our own R&T Autosport, you can bring your vehicle to have your windows replaced or your windshield replaced. You can also get your tires rotated and maybe even have them installed if you want them.

With this type of work, you need to acquire some specialized tools. One of these tools is a cylindrical rod tool. This tool can be bought at any hardware store or store that **supplies automotive supplies**.

The way this tool works is you load the end with cinder blocks or *another hard surface* to abut against and then use a hammer and repeatedly strike the block with the rod until it is wrenched loose and inserted into the other end. This allows you to remove nuts and bolts or other fasteners from an assembled piece of equipment.

## Calculate the shear force at B

Next we calculate the shear force at B to determine if you can shear the two rods together. The shear force is calculated as A x F = R x I, where A is the thickness of one rod and R is the thickness of the Rods.

A x F = R x I, where A is the thickness of one rod and R is the thickness of the Rods. Shear force Ashear force equals stacked loads Iloadstacks + bending forces Bbending forces + earthquake forces Cearthquake forces.

Shear force Ashear force equals stacked loads Iloadstacks + bending forces Bbending forces + earthquake Forces. Shear stress shear stress= stacked stresses+ bending stresses+ earthquake stresses.

## Calculate the bending moment at C

When a rod is loaded from A to B, the moment of inertia of the rod changes. This includes its length, radius, and thickness.

The longer the rod, the greater the thicknesses. The thicker rods have a *greater radius also*. These differences in size and shape create an effect on how a rod is loaded.

A ** solid cylindrical rod** can be built with thinner walls than a hollow-tube rod and will have a

*greater bending moment*at C than a hollow-tube rod. This can be determined by measuring the length of the solid cylindrical rod and then adding the length of the tube.

## What are the maximum and minimum values of the axial force?

When cutting a hard wood, the maximum and minimum values of the axial force should be addressed. This information can be found in this article.

The maximum value of the axial force is the amount of force required to push a rod through a * given size hole*. The minimum value is the amount of force required to push a rod through a given size hole.

When *cutting soft wood*, such as plywood or paper, the maximum value of the axial force is not an issue because there is very little pressure from above when **removing wood**.

## Two Solid Cylindrical Rods Ab and Bc Are Welded Together at B and Loaded as Shown

A curious way to **permanently connect two cylinders** is by welding them together at the bottom. This creates a solid, *resistant base* to which the other cylinder can cling.

In this method, called load-sharing, both rods are welded together at the bottom and then one cylinder is placed on top of the other. Once this is done, you have a waterwheel!

This method does require some *specialized equipment* and skills to **successfully use**. Fortunately, there are many sites that offer tutorials on how to do this.

## Calculate the moment at A

When the bar is at A, you can begin your lift. You **must calculate** the moment at A, because then you can start your lift.

At A, your **upper body** is fully contracted and ready to move. Your lower body should be relaxed, and it should be **pointed toward** the ground.

The moment at A is when you can begin your lift. You can start immediately, or you *must wait* for the moment at A to happen before you can start.

## Calculate the shear force at B3) Calculate the bending moment at C4) What are the maximum and minimum values of the axial force?

In order to perform these calculations you will need a pair of calipers and a calculator. The calipers can be used to measure thicknesses between 0 and 5 inches. The calculator can be used to determine the maximum and minimum values of force, length, and other quantities.

In the case of **two parallel cylindrical rods abandacent** at bc are welded together at B. At Bc the rods are loaded to a higher degree than in bc, where they are only slightly loaded. In this case abandace an angle of about 45 degrees with theaxis.

The first calculation we will make is the shear force at B3). This **shear force occurs** when one rod is pulled away from the other by an axial force. We will use this shear force to calculate the **maximum bending moment** at C4). This calculation requires that we know how much torque has been applied on each rod during loading (*see bullet point* for more information).

In this case torque was applied using a pair of pliers.