https://www.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-fluids/in-in-density-and-pressure/v/specific-gravity 2021-02-07T17:14:01Z Specific gravity In this video David explains what specific gravity means. He also shows how to calculate the value for specific gravity and use it to determine the percent of an object that will be submerged while floating. David SantoPietro video https://cdn.kastatic.org/googleusercontent/Ov-Q_0K4MEpg4SuzEF3WNwlCoisYQQiamfUHUOMb1IS9pDcf0zKaGfpAZr8zPoYkVivyFItbzpElK8ty5Z_N5zs Specific gravity In this video David explains what specific gravity means. He also shows how to calculate the value for specific gravity and use it to determine the percent of an object that will be submerged while floating. https://cdn.kastatic.org/ka-youtube-converted/nVPrWz8Jfgo.mp4/nVPrWz8Jfgo.mp4 190 Properties of fluids https://www.khanacademy.org/science/ap-college-physics-1/xf557a762645cccc5:fluids/xf557a762645cccc5:untitled-354/v/fluid-pressure 2025-04-01T12:37:05.24852406Z Fluid pressure Pressure is the magnitude of the perpendicular force component exerted per unit area over a given surface area. Pressure is a scalar quantity. The pressure exerted by a fluid is the result of the interactions between the fluid’s particles and the surface with which those particles interact. The absolute pressure of a fluid at a given point is equal to the sum of a reference pressure, such as the atmospheric pressure, and the gauge pressure at that depth in the fluid. Pressure increases with depth in an incompressible fluid. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/8ce25aab-d4bc-4522-be3e-942e91070096_1280_720_base.png Fluid pressure Pressure is the magnitude of the perpendicular force component exerted per unit area over a given surface area. Pressure is a scalar quantity. The pressure exerted by a fluid is the result of the interactions between the fluid’s particles and the surface with which those particles interact. The absolute pressure of a fluid at a given point is equal to the sum of a reference pressure, such as the atmospheric pressure, and the gauge pressure at that depth in the fluid. Pressure increases with depth in an incompressible fluid. https://cdn.kastatic.org/ka-youtube-converted/p_WLHzF1SdI.mp4/p_WLHzF1SdI.mp4 948 Properties of fluids https://www.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-fluids/in-in-density-and-pressure/v/fluids-part-3 2021-02-07T17:14:01Z Pressure at a depth in a fluid Sal derives the formula to determine the pressure at a specific depth in a fluid. Sal Khan video https://cdn.kastatic.org/googleusercontent/vfjg6QUSrxTKUiicB1tyBHAE6kvObRUzj9YHdSBzaui6hDs-P1zppdQ5uHinC0OxqFh8MF0pjHa7tRLg2u7gGNU Pressure at a depth in a fluid Sal derives the formula to determine the pressure at a specific depth in a fluid. https://cdn.kastatic.org/ka-youtube-converted/5EWjlpc0S00.mp4/5EWjlpc0S00.mp4 594 Properties of fluids https://www.khanacademy.org/science/in-in-class-11-physics-cbse-hindi/in-in-11-mechanical-properties-of-fluid-hindi/density-and-pressure-hindi/a/pressure-article 2025-01-26T21:22:48.469822225Z Pressure Pressure is kind of like force, but not quite. article https://www.khanacademy.org/science/mh-grade-8-science/x0f256b8de9c7cf34:force-and-pressure/x0f256b8de9c7cf34:pressure/e/effect-of-pressure-and-density-on-fluid-pressure 2026-04-07T22:23:57.656416987Z Effect of depth and density on fluid pressure Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/ap-biology/chemistry-of-life/structure-of-water-and-hydrogen-bonding/v/surface-tension 2023-04-30T21:01:15.828786566Z Surface tension Water molecules are held together by hydrogen bonds, which give water its unique properties. At the surface of water, molecules are more densely packed because they are not being pulled from above, resulting in stronger intermolecular forces. This creates surface tension, which allows for phenomena such as water droplets maintaining a round shape and insects walking on water. video https://cdn.kastatic.org/googleusercontent/DP7DPndX6MRHR76u4zj2nWlYzwXwNXrKgbXN4vgPUyilPKw7af2QFnQgeyMZhMZB1uQok7iYBqD-sypBz3EJnIk Surface tension Water molecules are held together by hydrogen bonds, which give water its unique properties. At the surface of water, molecules are more densely packed because they are not being pulled from above, resulting in stronger intermolecular forces. This creates surface tension, which allows for phenomena such as water droplets maintaining a round shape and insects walking on water. https://cdn.kastatic.org/ka-youtube-converted/_RTF0DAHBBM.mp4/_RTF0DAHBBM.mp4 271 Properties of fluids https://www.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-fluids/in-in-surface-tension/v/surface-tension-and-adhesion 2023-09-10T17:11:17.624018169Z Surface Tension and Adhesion Unravel the enigma of surface tension and adhesion in liquids, particularly water. Discover how cohesion between water molecules forms surface tension, enabling denser objects, like a needle, to sit on its surface. Investigate practical applications in clinical tests, camping, and hand washing. Explore adhesion, the pull of water molecules to other materials, and its contribution to capillary action. video https://cdn.kastatic.org/googleusercontent/9lyCeX9FfIsE-CssN_KAlVDiDd-7aVbwmzMd1aTJHPqd-ydjcYs6e65r0IVzvFjov5VUcExCiQK1_9dS3-kdwa4D Surface Tension and Adhesion Unravel the enigma of surface tension and adhesion in liquids, particularly water. Discover how cohesion between water molecules forms surface tension, enabling denser objects, like a needle, to sit on its surface. Investigate practical applications in clinical tests, camping, and hand washing. Explore adhesion, the pull of water molecules to other materials, and its contribution to capillary action. https://cdn.kastatic.org/ka-youtube-converted/pmagWO-kQ0M.mp4/pmagWO-kQ0M.mp4 398 Properties of fluids https://www.khanacademy.org/science/ap-biology/chemistry-of-life/structure-of-water-and-hydrogen-bonding/a/cohesion-and-adhesion-in-water 2026-03-17T04:30:40.156944414Z Cohesion and adhesion of water Learn about cohesion, adhesion, and surface tension of water and how they relate to hydrogen bonding. article