The sum of the squares of the catheti (legs) of a right triangle are related to the square of its hypotenuse.
e^(i*pi)+1=0
An identity including an imaginary number, geometric constant, logarithmic constant, non-zero integer and zero.
F=ma
A force on an object is related to its mass and acceleration.
A=(pi)*r^2
The area of a circle is related to the ratio pi and its radius squared.
E=mc^2
Energy is related to mass and the speed of light.
h=(gt^2)/2
The height of a falling object is related to time squared and half the acceleration due to gravity.
V=sqrt(3kT/m)
The velocity of a gaseous particle can be determined if the temperature and mass are known.
T=2(pi)sqrt(L/g)
The period of a pendulum's swing is related to two pi and the square-root of the quotient of the length of the pendulum and the acceleration due to gravity.