Resistance is the opposition to current flow in an electric circuit, measured in ohms (Ω),...

Electric current is the flow of electrons in one direction and is measured in amperes (A)....

Voltage is the electric potential difference that moves charge through a circuit, measured...

Electric power is energy per unit time, the product of voltage and current. Enter voltage ...

Uniform motion is movement at a constant speed in a straight line. Use time and distance t...

Acceleration is the change in velocity per unit time. Enter initial velocity, final veloci...

Free fall is motion under gravity alone. Enter the drop height to get the fall time and im...

Kinetic energy is the energy of a moving object, proportional to mass times velocity squar...

Potential energy is the energy an object has due to height, found by multiplying mass, gra...

Density is mass per unit volume, found by dividing mass by volume.

Using Newton's second law, enter mass and acceleration to find the required force (F = ma)...

Enter force and area to calculate pressure, the force per unit area (P = F/A).

Enter force, distance, and time to calculate work (W = Fd) and power (P = W/t).

Enter frequency and wavelength to calculate wave speed (v = fλ).