A 1 >A 2 Find the direction that the device below moves in when released. You mu

Question

A1>A2

Find the direction that the device below moves in when released. You must draw a control volume for this problem. Assume: 1) steady flow in and out of the control volume; 2) uniform flow at locations #1 and #1; 3) inviscid flow; 4) incompressible flow. In this problem A12. Solve this problem using the continuity equation: (rho _1A_1V_1= rho_2A_2V_2), (where V= the velocity of the flow) and the linear momentum equation for steady flow: int cm u rho overrightarrow V . Widehat n dA= Sigma F_x A1 > A2

Explanation / Answer

-V1*?*V1*A1 + V2*?*V2*A2 = Fa
and from conservation of mass
?*V1*A1 = ?*V2*A2
So Fa is to the right and motion is to the left.

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