Problem 15.131 Sand is discharged from the silo at A at a rate of 60 kg/s with a vertical velocity of 10 m/s onto the conveyor belt, which is moving with a constant velocity of 1.5 m/s. The conveyor system and the sand on it have a total mass of 800 kg and center of mass at point G. Neglect the thickness of the conveyor. (Figure 1) Figure 1 of 1 30 10 m/s 4 m P P 1.5 m/s Pa Part A Determine the vertical component of reaction at the roller support A Express your answer to three significant figures and include the appropriate units. μA ? A₁₁ = Value Units Submit My Answers Give Up Part B Determine the horizontal component of reaction at the pin support B. Express your answer to three significant figures and include the appropriate units. B₂ = Value Units Submit My Answers Give Up ? Part C Determine the vertical component of reaction at the pin support B. Express your answer to three significant figures and include the appropriate units. By= Value Submit ? Units My Answers Give Up