The unstretched length of spring AB is 2 m. If the block is held in the equilibrium position shown, what would be the weight of the block at D? Hint: Find the stretched length of spring AB and use the equilibrium. kAC = 20 N/m www. www kA 30 N/m 3 im Select one O a. 100 (N] O b. 84 (N] c 126 (N] Od. 162 (N

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.