In fluid dynamics, drag, sometimes referred to as fluid resistance, also known as viscous force, is a force acting opposite to the direction of motion of any object moving with respect to a surrounding fluid. [1] …

Feb 2, 2023 · The resistance offered by a fluid, like air and water, is called the drag force or drag when an object moves through it. It acts in a direction opposite to the object’s motion. It is generated by the …

Jul 1, 2025 · Drag depends on the density of the air, the square of the velocity, the air’s viscosity and compressibility, the size and shape of the body, and the body’s inclination to the flow.

The faster you move your hand, the harder it is to move. You feel a smaller drag force when you tilt your hand so only the side goes through the air—you have decreased the area of your hand that faces the …

The faster you move your hand, the harder it is to move. You feel a smaller drag force when you tilt your hand so only the side goes through the air—you have decreased the area of your hand that faces the …

Dec 26, 2025 · Drag, force exerted by a fluid stream on any obstacle in its path or felt by an object moving through a fluid. Its magnitude and how it may be reduced are important to designers of …

Drag force is a resistive force experienced by an object moving through a fluid, such as air or water. This force is always directed opposite to the object’s motion, similar to friction, but it occurs between a …

Drag is an example of mechanical force. When a solid body interacts with a fluid (liquid or gas), a drag force is produced on the solid body. Drag forces are not created by any force fields. In order to …

Nov 7, 2025 · Drag force is the resistance an object experiences when moving through a fluid, such as a liquid or gas. This force acts parallel to the direction of the fluid flow and in opposition to the object’s …

Jul 21, 2022 · The component of the aerodynamic force that is opposed to the motion is the drag; the component perpendicular to the motion is the lift. Both the lift and drag force act through the center of …