Maintain a distance of at least between your vehicle and the vehicle behind you.

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leem6

16.09.2020

Physics

The stress experimented by the tie-bar is 80 megapascals.

The tie-bar is under axial load. Under the assumption that force is distributed uniformly in the cross-section area, we can use the following definition of normal stress ( $\sigma$ ), in megapascals:

$\sigma = \frac{F}{A}$ (1)

Where:

- Axial force, in meganewtons.

- Cross-section area, in square meters.

If we know that $F = 10\times 10^{-3}\,MN$ and $A = 125\times 10^{-6}\,m^{2}$ , then the stress experimented by the tie-bar is:

$\sigma = \frac{10\times 10^{-3}\,MN}{125\times 10^{-6}\,m^{2}}$

$\sigma = 80\,MPa$

The stress experimented by the tie-bar is 80 megapascals.

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