LEARNING OBJECTIVES By the end of this section, you will be able to: Cohesion and Adhesion in Liquids Children blow soap bubbles and play in the spray of a sprinkler on a hot summer day. (See Figure 11.24.) An underwater spider…

LEARNING OBJECTIVES By the end of this section, you will be able to: When you rise from lounging in a warm bath, your arms feel strangely heavy. This is because you no longer have the buoyant support of the water.…

LEARNING OBJECTIVES By the end of this section, you will be able to: If you limp into a gas station with a nearly flat tire, you will notice the tire gauge on the airline reads nearly zero when you begin…

LEARNING OBJECTIVES By the end of this section, you will be able to: Pressure is defined as force per unit area. Can pressure be increased in a fluid by pushing directly on the fluid? Yes, but it is much easier if…

LEARNING OBJECTIVES By the end of this section, you will be able to: If your ears have ever popped on a plane flight or ached during a deep dive in a swimming pool, you have experienced the effect of depth…

LEARNING OBJECTIVES By the end of this section, you will be able to: You have no doubt heard the word pressure being used in relation to blood (high or low blood pressure) and in relation to the weather (high- and low-pressure weather…

LEARNING OBJECTIVES By the end of this section, you will be able to: Which weighs more, a ton of feathers or a ton of bricks? This old riddle plays with the distinction between mass and density. A ton is a…

LEARNING OBJECTIVES By the end of this section, you will be able to: Matter most commonly exists as a solid, liquid, gas, or plasma; these states are known as the common phases of matter. Solids have a definite shape and a…

Figure 11.1 The fluid essential to all life has a beauty of its own. It also helps support the weight of this swimmer. (credit: Terren, Wikimedia Commons) Chapter Outline 11.1 What Is a Fluid? 11.2 Density 11.3 Pressure 11.4 Variation of Pressure with Depth in a…