Motion - velocity and acceleration, forces and torques


Change in velocity and time used

Acceleration Units Converter

Convert between common units of accelerations

Acceleration and Velocity - Equations

Equations related to acceleration, average and final velocity, distance traveled and more

Acceleration of Gravity and Newton's Second Law

Acceleration of gravity and Newton's Second Law - SI and Imperial units

Angular Motion - Power and Torque

Angular velocity and acceleration - power and torque

Average Velocity

Distance traveled vs. time used

Banked Turn

A banked turn is a turn or change of direction in which the vehicle banks or inclines, usually towards the inside of the turn.

Body Force acting on Inclined Planes

Force required to move bodies up inclined planes

Bollard Force

Bollard rope friction - the load and effort force in the rope

Car - Power and Torque

Power, torque, efficiency and wheel force

Car - Traction Force

Adhesion and tractive effort

Car Acceleration

Calculating car acceleration

Centripetal and Centrifugal Force - Acceleration

Centripetal and Centrifugal acceleration - force due to circular motion

Flywheel Kinetic Energy

Flywheel kinetic energy and moment of inertia


Force - Newton's third law and acceleration

Formulas of Motion - Linear and Circular

Linear and angular (rotation) acceleration, velocity, speed and distance

Impact Force

Impact force acting on a falling object hitting the ground, crashing cars and more

Impulse and Impulse Force

Forces acting a very short time are called impulse forces

Kinetic Energy

Kinetic energy of a rigid body is the energy possessed by the body motion

Lifting Wheels

Lifting wheels and effort force

Moment of Inertia

Moment of Inertia (Mass Moment of Inertia) depends on the mass of the object, its shape and its relative point of rotation - Radius of Gyration

Movement Ratio

Machines and the movement ratio (velocity ratio)


A simple pendulum oscillating in the vertical plane due to gravity

Potential Energy

Elevation and potential energy


Pulleys, blocks and tackles

Range of Projectile

Motion in two dimensions - calculate the range of a projectile

Rolling Resistance

Rolling friction and rolling resistance

Rotating Bodies - Stress

Stress in rotating disc and ring bodies

Universal Gravitational Law

Gravitational attraction between two objects depends on the mass of the objects and the distance between them

Vector Addition

Online vector calculator - add vectors with different magnitude and direction


The effort force to raise a load


Work done is the product of applied force and distance

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3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

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