In order to make an adjustment, a group of engineering students remove leg D from a laboratory worktable. To ensure that the table remains stable, they place a 4.9-kg stack of statics textbooks centered at point E of the tabletop as shown. Determine the normal reaction force at each leg A, B, and C. The uniform tabletop has a mass of 45.3 kg, and each leg has a mass of 5.6 kg. 4.9 kg 0.7 m 0.5 m 1.7 m 0.8 m E B Answers: NA - i N NB- i Nc- z z z

Which of the following most nearly gives the angle θ for equilibrium? Which of the following most nearly gives the tension on the cord AB? Which of the following most nearly gives the force on the spring AC?

The sign has a mass of 80 kg with center of mass at G. (Figure 1) Figure 1 of 1 Part A Determine the z, y, z components of reaction at the ball-and-socket joint A. Enter the z, y, and components of the reaction using three significant figures separated by commas. Ar. Ay, A, Submit Part B VAE Ivec Request Answer Tac, TBD = Submit Determine the tension in wires BC and BD Express your answer using three significant figures separated by a comma. VAE Ivec V Bequest Answer ? N N