Figure 1 shows an arm OB, that rotates about a fixed axis through O in a vertical plane. The slider given by A has a mass of 0.3 kg, and it can slide on the OB arm, and can also move in the vertical slot. The stationary vertical slot is located b = 0.6 m from point O. At the shown instant, the rotation is given by the parameters; 0 = 25°, = 40 deg/s, and @ = 18 deg/s². Determine; a) The force applied by arm OB to the slider A, b) The force applied by the sides of the vertical slot to the slider A. Note: Neglect all frictions. B Figure 1: Slider mechanism

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The beam in the figure below is subjected to a load P= 3.9 kN at its end. Young's modulus is 210 GPa and the moment of inertia for the beam's cross-section is 5×106 mm4. P If a = 1.5 m and b= 1.3 m, determine: A F a B |-x₂ b Tuc