Force equals mass times acceleration.

This is often written as a formula:

F = m * a

Where:

* F is the force (measured in Newtons, N)

* m is the mass (measured in kilograms, kg)

* a is the acceleration (measured in meters per second squared, m/s²)

This formula tells us that the amount of force needed to accelerate an object is directly proportional to its mass and the acceleration it undergoes.

For example, if you push a heavy box (high mass) with a lot of force, it will accelerate quickly (high acceleration). But if you push a lighter box (low mass) with the same force, it will accelerate much faster.