Part A

If $d=2\mathrm{.}5m,$ and $=30,$ determine the normal reaction at the smooth support $A$ if $P=500N.$ Neglect the weight of the bar.

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

$N_A=$

Part B

Determine the normal reaction at the smooth support $B.$

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

$N_B=$ Value Units

Part C

Determine the required distance a for the placement of the roller.

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

$a=$