27 FOCUSED TOOLS
Force, energy & machines calculators
Connect forces with momentum, work and mechanical energy.
Choose the right calculation
Distinguish net force from individual forces and specify the direction of displacement. Work can be negative. Force multiplication does not create extra energy because motion distance and losses also matter.
Find a tool for your question
Force Calculator
Calculate net force using mass and acceleration.
Kinetic Energy Calculator
Find translational kinetic energy from mass and speed.
Potential Energy Calculator
Estimate gravitational potential energy relative to a reference height.
Momentum Calculator
Calculate linear momentum from mass and velocity.
Work Calculator
Find work done by a constant force along a displacement.
Mechanical Power Calculator
Calculate average power from work and elapsed time.
Torque Calculator
Find torque magnitude for a force at an angle to a lever arm.
Spring Force Calculator
Calculate force magnitude for an ideal spring under Hooke’s law.
Impulse Calculator
Calculate impulse from a constant net force over a time interval.
Friction Force Calculator
Estimate sliding friction magnitude using coefficient and normal force.
Spring Energy Calculator
Find elastic energy stored in a linear spring.
Mechanical Efficiency Calculator
Compare useful output energy with input energy.
Mechanical Advantage Calculator
Compare output force with input force for a simple machine.
Weight Force Calculator
Calculate gravitational weight from mass and a selected gravitational acceleration.
Normal Force on Incline Calculator
Find the perpendicular contact force for an object resting on an ideal incline.
Incline Gravity Component Calculator
Resolve gravitational force parallel to an inclined surface.
Static Friction Limit Calculator
Estimate the maximum static friction magnitude before sliding under a simple contact model.
Impulse From Momentum Calculator
Find impulse from a change in linear momentum.
Collision Common Velocity Calculator
Find shared velocity after two masses stick together in an ideal collision.
Coefficient of Restitution Calculator
Compare relative separation and approach speeds in a one-dimensional collision.
Rotational Kinetic Energy Calculator
Find kinetic energy stored in rigid-body rotation.
Solid Disc Moment of Inertia Calculator
Find the central-axis moment of inertia of a uniform solid disc.
Thin Ring Moment of Inertia Calculator
Find the moment of inertia of an ideal thin ring.
Solid Sphere Moment of Inertia Calculator
Find rotational inertia of a uniform solid sphere about its centre.
Parallel Axis Theorem Calculator
Translate moment of inertia to a parallel offset axis.
Angular Momentum Calculator
Calculate scalar angular momentum for a rigid rotor.
Rotational Power Calculator
Find shaft mechanical power from torque and angular velocity.
Is mechanical advantage the same as efficiency?
No. Mechanical advantage compares forces; efficiency compares useful output energy or power with the corresponding input.
Useful next steps in other categories
Ohms Law Current Calculator
Calculate ideal DC current from voltage and resistance.
Battery Energy Calculator
Convert nominal battery voltage and amp-hours into nominal energy.
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