anaeli6774 anaeli6774 12-04-2024 Engineering contestada A train consists of four spur gears where N ₁=20,N ₂=40,N ₃=55 and N ₄=77. Gear 1 has a pitch radius of r ₚ₁=0.5 in., speed n ₁ =80 RPM and torque T₁ =550in-lb. Determine the following: The overall train value.