Search Results

6 results for “first law”

Formulae (6)

\sum F = 0 \Rightarrow v = \text{const}

An object stays at rest or in uniform motion unless acted on by a net force.

r = \frac{a(1-e^2)}{1 + e\cos\theta}

Planets orbit the Sun in ellipses with the Sun at one focus.

\Delta U = Q - W

Energy conservation: change in internal energy equals heat added minus work done.

\sum F = 0 \Rightarrow \text{constant } v

An object stays at rest or in uniform motion unless acted upon.

\Delta U = Q - W

Change in internal energy equals heat added minus work done.

\Delta U = Q - W

Energy conservation for a thermodynamic system.