9th Physics EM – Chapter 1 – Forces in Fluids
1. What is buoyancy? Ans: When a body is immersed completely or partially in a fluid, exerts an upward force on the body. 2.The weight of a body in air is 240N and weight in water is 190N. Find the buoyancy of water? Ans: weight of body in air= 240N weight in water=190N... Read More →