Average speed
Distance divided by elapsed time gives speed, not signed vector velocity.
Physics and mechanics ↗Physics and mechanics calculators
25 calculators. Search or choose one below.
Calculators
Constant acceleration motion
Constant acceleration in one dimension.
Physics and mechanics ↗Acceleration from velocity change
Average acceleration is change in velocity divided by elapsed time.
Physics and mechanics ↗Newton second law
Uses F = ma for constant mass in an inertial frame.
Physics and mechanics ↗Newton third law
The paired forces act on different bodies.
Physics and mechanics ↗Weight force
Mass is not weight.
Physics and mechanics ↗Kinetic energy
Classical translational kinetic energy; not a relativistic model.
Physics and mechanics ↗Gravitational potential energy
Assumes approximately constant gravitational acceleration over the height change.
Physics and mechanics ↗Momentum
One-dimensional classical momentum, with signed velocity.
Physics and mechanics ↗Impulse
Force must be constant or the time-averaged force over the interval.
Physics and mechanics ↗Mechanical work
Work is the dot product of force and displacement.
Physics and mechanics ↗Mechanical power
Power is energy transfer per unit time.
Physics and mechanics ↗Torque
The angle lies between the lever arm and force.
Physics and mechanics ↗Rotational speed
One revolution is 2π radians.
Physics and mechanics ↗Centripetal force
Required net inward force for uniform circular motion; it is not an additional force type.
Physics and mechanics ↗Friction force
Use a kinetic coefficient for sliding force or a static coefficient for the maximum static limit, not automatic static force.
Physics and mechanics ↗Hooke spring law
Linear spring within its elastic range.
Physics and mechanics ↗Spring oscillator period
Ideal undamped mass–spring oscillator with a massless spring.
Physics and mechanics ↗Simple pendulum period
Small-angle simple pendulum with a point mass and massless string.
Physics and mechanics ↗Projectile motion
Ideal two-dimensional flight to a horizontal ground plane, with no drag and constant gravity.
Physics and mechanics ↗Free fall
Starts from rest, with no air resistance and constant gravity.
Physics and mechanics ↗Escape velocity
Newtonian ideal escape speed without atmosphere or rotation.
Physics and mechanics ↗Orbital period
Keplerian two-body model using the combined mass of the bodies.
Physics and mechanics ↗Pressure from force
Force is normal to the surface and averaged over the stated area.
Physics and mechanics ↗Buoyant force
Archimedes’ principle for the displaced fluid volume in a static uniform fluid.
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