# Inertial mass, 2

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mass ~ (a kind of) potential energy

— Me@2022-01-25 12:25 AM

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$\displaystyle{a = \frac{F_{\text{net}}}{m}}$

The bigger the value of the inertia mass, the more difficult it is to accelerate that object.

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$\displaystyle{m = m_0 + m_\text{extra}}$

$\displaystyle{m_\text{extra} = \frac{E}{c^2}}$

The higher the energy content of an object, the more difficult it is to accelerate it.

— Me@2022-01-09 12:34 PM

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