Mechanics

These tools cover the motions and forces you meet in high school and introductory university mechanics. You can plot a projectile’s trajectory, find velocity and displacement under uniform acceleration, calculate work and kinetic or potential energy, friction, collisions from conservation of momentum, the period of simple harmonic motion, centripetal force in uniform circular motion, and torque.

Projectile Motion Simulator

Enter the initial speed, launch angle, starting height, and gravitational acceleration to calculate and chart the trajectory, range, and maximum height of projectile motion (ignoring air resistance). Try gravity on the M...

Uniform Acceleration Calculator (Velocity & Displacement)

Calculate the final velocity and displacement of a uniformly accelerated linear motion from the initial velocity, acceleration, and elapsed time.

Work & Energy Calculator (Work, Kinetic Energy & Potential Energy)

Switch between three formulas to calculate work (W=Fd), kinetic energy (KE=1/2mv²), and potential energy (PE=mgh).

Friction Force Calculator (Static, Kinetic & Inclined Plane)

Calculate friction force from mass or normal force and a coefficient of friction. Also handles inclined planes: whether an object slides and the resulting acceleration.

Momentum & Collision Calculator (Elastic, Inelastic, Restitution Formula) - Free

Free physics tool to calculate 1D collisions between two bodies, showing the momentum and kinetic energy conservation formulas along the way. Supports perfectly elastic, perfectly inelastic, and coefficient-of-restitutio...

Simple Harmonic Motion Calculator (Spring-Mass & Pendulum)

Calculate the period, frequency, and angular frequency of a spring-mass system or a simple pendulum, and visualize how displacement, velocity, and acceleration change over time. Learn the physics of oscillation from spri...

Uniform Circular Motion Calculator (Centripetal Force, Angular Velocity, Period)

Enter mass, radius, and speed (or angular velocity) to calculate the centripetal force, angular velocity, period, and frequency of uniform circular motion (F = mv²/r = mω²r).

Torque (Moment of Force) Calculator — τ = rFsin(θ)

Enter any 3 of force, lever arm length, and angle to instantly solve for the 4th (torque, force, lever arm, or angle) — with automatic N·m to ft·lb unit conversion.