The uniform bar is placed on a 9 - meter wall at an angle of 45 degrees from the smooth surface of the floor. The bar extends above the top of the wall with weight of 550 kN and has its mass center 7 meters from the floor. The wire is attached to the bar 2 meters above the floor. a) Determine the reaction between the lower end of the bar and the smooth surface of the floor. Answer in 2 decimal places. b) Determine the tension on the wire. Answer in 2 decimal places. c) Determine the value of the normal force. Answer in 1 decimal place

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.