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17 Free Interactive Tools

Physics Calculators

Mechanics, energy, waves, and atmosphere.

mechanics Free Online

Centripetal Force & Acceleration Calculator (F_c = m v² / r)

Calculate centripetal force ($F_c = \frac{m v^2}{r}$) and centripetal acceleration in circular motion and curved paths.

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mechanics Free Online

Density Calculator (Mass & Volume)

Calculate density of any solid object or fluid ($\rho = m / V$) in $g/cm^3$ or $kg/m^3$ from mass and volume.

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atmosphere Free Online

Dew Point Calculator (Air Temp & Relative Humidity)

Calculate dew point temperature at which airborne water vapor condenses onto cool surfaces.

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mechanics Free Online

Free Fall & Impact Velocity Calculator

Calculate final impact velocity ($v = \sqrt{2 g h}$) and free fall time from an initial height.

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mechanics Free Online

Friction Force Calculator (Static & Kinetic F_f = µ N)

Calculate friction force ($F_f = \mu \cdot N$) from coefficient of friction and normal force.

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atmosphere Free Online

Heat Index Calculator (Apparent Temperature & Humidity)

Calculate perceived Heat Index temperature combining air temperature and relative humidity.

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mechanics Free Online

Kinetic Energy Calculator (E_k = 1/2 m v²)

Calculate kinetic energy in Joules ($E_k = \frac{1}{2}m v^2$) accumulated by a moving object.

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mechanics Free Online

Mass Calculator (Newton's 2nd Law & Volumetric Density)

Compute inertial mass ($m = F / a$) via Newton's Second Law and volumetric mass ($m = \rho \cdot V$) from density.

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mechanics Free Online

Simple Pendulum Period & Frequency Calculator

Calculate oscillation period ($T = 2\pi \sqrt{L / g}$) and frequency ($f = 1 / T$) of a simple pendulum.

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mechanics Free Online

Gravitational Potential Energy Calculator (E_p = m g h)

Calculate gravitational potential energy ($E_p = m \cdot g \cdot h$) stored by a body elevated at a given height.

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mechanics Free Online

Projectile Motion & Parabolic Launch Calculator

Compute maximum horizontal range, peak height, and total flight time for angled projectile launches.

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optics Free Online

Snell's Law & Optical Refraction Calculator (n₁ sin θ₁ = n₂ sin θ₂)

Calculate light refraction angle ($θ_2$) crossing the interface between two media using Snell's Law.

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mechanics Free Online

Speed, Distance & Time Calculator

Calculate average speed ($v = d / t$), distance traveled ($d = v \cdot t$), or travel time from known variables.

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waves Free Online

Wave Speed, Wavelength & Frequency Calculator (v = f λ)

Calculate wave propagation speed ($v = f \cdot \lambda$), frequency ($f$), or wavelength ($\lambda$) for sound and EM waves.

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mechanics Free Online

Gravitational Weight Calculator for Planets & Moon

Calculate gravitational weight force ($W = m \cdot g$) in Newtons and lbs for your mass on Earth, Moon, Mars, or Jupiter.

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atmosphere Free Online

Wind Chill Calculator (Wind Temperature & Velocity)

Calculate actual felt temperature (Wind Chill) on human skin based on air temperature and wind speed.

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mechanics Free Online

Mechanical Work & Power Calculator (W = F d cos θ)

Calculate Mechanical Work ($W = F \cdot d \cdot \cos\theta$) in Joules and Power rating ($P = W / t$) in Watts.

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