Calculator Suite
Force Calculator
Calculate force, mass, or acceleration using Newton's Second Law F = ma
Common Scenarios
Weight Calculation
Calculate the weight (gravitational force) of a 70kg person
Car Engine Force
Force needed to accelerate a car
Rocket Acceleration
Acceleration from rocket thrust
Quick Presets
The Equation
= Net force (in Newtons or pounds-force)
= Mass (in kilograms or pounds-mass)
= Acceleration (in m/s² or ft/s²)
Physical Meaning
Force: A push or pull that can change an object's motion
Mass: The amount of matter in an object (inertia)
Acceleration: The rate of change of velocity
Key Insight: Heavier objects need more force to achieve the same acceleration
Units & Conversions
SI Units: 1 Newton = 1 kg⋅m/s²
Imperial: 1 pound-force = 1 lb⋅ft/s²
Weight vs Mass: Weight = mg (force due to gravity)
Applications
Engineering: Structural analysis and machinery design
Automotive: Engine power and braking systems
Aerospace: Rocket thrust and spacecraft maneuvering
Sports: Impact forces and athletic performance