The limbs were short, and mainly used for steering, with the long tail providing the main propulsive force while swimming.

Solar sails use radiation pressure in a way to achieve a desired propulsive force.

These animals, due to lack of appendages, use their bodies to generate propulsive force.

A lower weight means less fatigue, and greater rigidity transforms even small movements into propulsive force.

As in the Debussy, she used the music's contrasts as a propulsive force.

Creating propulsive force requires the use of muscular strength, which uses far more energy.

It is likely that undulations of its backbone provided the main propulsive force for swimming.

There was a keen wind, and particles of ice began to fly with propulsive force, coming at us horizontally.

The vehicle's attitude must be taken into account because of its effect on the aerodynamic and propulsive forces.

The propulsive forces are transmitted to the forequarters through the trunk.