When two layers of a liquid in contact with each other move at different speeds, there will be a force between them.
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Poiseuille's law describes the flow rate of a fluid through a cylindrical tube. It states that the flow rate is directly proportional to the pressure difference across the tube and the fourth power of the tube radius, and inversely proportional to the viscosity of the fluid and the length of the tube. Mathematically, it can be expressed as Q = πΔP r^4 / (8ηL), where Q is the flow rate, ΔP is the pressure difference, r is the radius, η is the viscosity, and L is the length of the tube.
Poiseuille's law states that the rate of flow of a fluid through a tube is directly proportional to the pressure difference along the tube. When pressure drops, the flow rate will increase accordingly if all other factors remain constant. This relationship highlights the importance of pressure in influencing fluid flow dynamics.
gases
The third law of motion, known as Newton's third law, is used to explain rocket propulsion. This law states that for every action, there is an equal and opposite reaction. In the case of a rocket, hot gases are expelled backward, causing the rocket to move forward in the opposite direction.
Charles' Law states that the volume of a gas is directly proportional to its temperature when pressure is held constant. This means that as the temperature of a gas increases, its volume also increases, and vice versa. The law helps to explain how gases expand or contract with changes in temperature while keeping pressure constant.
The purpose of Newton's third law of motion is to explain how forces interact between two objects. It states that for every action, there is an equal and opposite reaction, which means that when one object exerts a force on another object, the second object will exert an equal force in the opposite direction. This law helps explain the concept of force pairs and how motion is influenced by these interactions.