Part A

The $30-$ lb crate is being hoisted upward with a constant acceleration of $6f\frac{t}{s^2}.$ If the uniform beam $AB$ has a weight of $200$ lb $,$ determine the components of reaction at

A$.$ Neglect the size and mass of the pulley at $B.$

$A_x=-48\mathrm{.}3lb,A_y=248\mathrm{.}3lb,M_A=258lb-ftCCW$

$A_x=-48\mathrm{.}3lb,A_y=248\mathrm{.}3lb,M_A=741lb-ftCCW$

$A_x=-30\mathrm{.}0lb,A_y=230lb,M_A=650lb-ftCCW$

$A_x=-35\mathrm{.}6lb,A_y=236lb,M_A=678lb-ftCCW$