Example engineering calculations
Worked, unit-aware calculation worksheets across structural, mechanical, electrical and more. Open any example into your own workspace to edit and reuse.
41 examples found
Braking Distance
Distance to stop a vehicle from a speed under constant deceleration.
Angular Acceleration
Angular acceleration of a rotor from its change in angular speed.
Torque from a Force at an Angle
Torque (moment) of a force applied at an angle to a lever arm.
Moment of a Force
Turning moment of a force about a pivot from its perpendicular distance.
Work–Energy Theorem
Work done on a body equal to its change in kinetic energy.
Centre of Mass of Two Bodies
Centre of mass of two point masses along a line.
Coefficient of Restitution
Coefficient of restitution of a collision from approach and separation speeds.
Period from Frequency
Oscillation period from the frequency.
Sound Intensity Level (Decibels)
Sound level in decibels from the sound intensity.
Speed of Sound in a Gas
Speed of sound in an ideal gas from its temperature.
Wave Speed
Speed of a wave from its frequency and wavelength.
Doppler Frequency Shift
Observed frequency from an approaching sound source (Doppler effect).
Lens Magnification
Magnification produced by a lens from the image and object distances.
Critical Angle (Total Internal Reflection)
Critical angle beyond which light is totally internally reflected.
Refractive Index
Refractive index of a medium from the speed of light in it.
Lens Power (Dioptres)
Optical power of a lens in dioptres from its focal length.
Mass–Energy Equivalence
Energy equivalent of a mass from Einstein’s relation.