If is the displacement, the force exerted by an ideal spring equals:

The force on a object equals the rate of change of the speed momentum.

Average force multiplied by the time of contact equals the change of momentum.

The buoyant force equals the weight of the water displaced by the boat.

This is the luminosity at which the force of the star's gravity equals the radiation pressure outward.

Mechanical equilibrium means the resisting forces equal the push.

Newton showed that force equals mass times acceleration, or in symbols, .

Newton's Second Law states that force equals mass multiplied by acceleration.

The applied force used equals the maximum shear strength the connection can withstand.

When the buoyant force equals 1 ton, it will sink no farther.