For the inverted slider-crank linkage in the posture shown, where 4 = 60, the input link, 2,

For the inverted slider-crank linkage in the posture shown, where θ4 = 60◦, the input link, 2, is moving parallel to the x axis. Determine the first-order kinematic coefficients of links 3 and 4. Also, determine the conditions for the determinant of the coefficient matrix to become zero. If VB =

15 in/s constant to the right, determine the angular velocities of links 3 and 4.