The $140-kg$ pendulum has a center of mass at $G$ and a radius of gyration about $G$ of $k_G=250mm.$ Neglect the weight of the beam and the support. At the instant $=0$ the pendulum is rotating at $=4ra\frac{d}{s}.($Figure $1)$

Part A

Determine the $x$ and $y$ components of reaction on the beam by the pin $A$ at the instant $=0$ using scalar notation.

Express your answers in kilonewtons to three significant figures separated by a comma.

View Available Hint$($s$)$

$A_x^{},A_y=$

$$

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Figure

$1$ of $1$

Part B

Determine the normal reaction of the roller $B$ at the instant $=0.$

Express your answer to three significant figures and include the appropriate units.

View Available Hint$($s$)$

$N_B=$

$$