Physic.Pages

Interactive Physics Suite & Calculation Tools

Force Calculator (Newton's 2nd Law)

Calculate force based on mass and acceleration ($F = ma$).

Centripetal Force

Force needed for circular motion ($F = \frac{mv^2}{r}$).

Newton's Laws of Motion

Lex I (Inertia): Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
Lex II (Force): The change of motion is proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed ($F=ma$).
Lex III (Action/Reaction): To every action there is always opposed an equal reaction ($F_{12} = -F_{21}$).

Kinetic Energy

Energy of moving objects ($KE = \frac{1}{2}mv^2$).

Potential Energy

Energy due to height ($PE = mgh$).

Work Done

Work from force and distance ($W = Fd$).

Universal Gravitation

Force between two masses ($F = G \frac{m_1 m_2}{r^2}$).

Celestial Bodies Database

Select a body to view its mass and insert it into calculations.

Orbital Parameters

Calculate orbital velocity and period.

Motion Simulation - Principia Dynamics

Interactive demonstration of Newton's laws. Apply force to change the object's state of motion.

Object Mass: 10kg. Frictionless surface.

Projectile Range

Calculate horizontal distance ($R = \frac{v^2 \sin(2\theta)}{g}$).

Unit Converter

Quick Reference

Common Constants

Formulas