Problem $12\mathrm{.}070-$ A mechanism with a rotating arm and a circular slot

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Pin B weighs $4$ oz and is free to slide in a horizontal plane along the rotating arm OC and along the circular slot DE of radius b$=27$ in

$.$ Neglect friction and assume that $\backslash$theta $.=15$ rad$/$s

and $\backslash$theta $..=250$ rad$/$s$2$

for a position $\backslash$theta $=20\backslash$deg

$.$

An illustration of a pin sliding in a circular slot enabled by an arm with a slot.An illustration. An arm labeled O C is fixed to a horizontal hinge support at the left end O$.$ A slot is cut in the right $-$half of the arm. The arm is directed northeast at angle theta from the horizontal. A pin labeled B is in the slot at slant distance r from O$.$ It slides inside a circular slot on a plate labeled D$,$ placed on the right. The radius of the circular slot is labeled b$,$ from a point labeled A aligned with O$.$ The horizontal distance from O to A is b$.$

Problem $12\mathrm{.}070.$a $-$ Resultant force exerted on the pin

Determine for that position, the radial and transverse components of the resultant force exerted on pin B$.$

The radial component of the resultant force is Numeric ResponseEdit Unavailable. lb and the transverse component is $!$

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Problem $12\mathrm{.}070-$ A mechanism with a rotating arm and a circular slot

PIn $B$ weighs $4$ oz and is free to slide in a horizontal plane along the rotating arm $OC$ and along the circular slot $DE$ of

radius $b=27$ in $.$ Neglect friction and assume that ${}^{}=15ra\frac{d}{s}$ and ${}^{}=250ra\frac{d}{s^2}$ for a position $=20.$

Problem $12\mathrm{.}070.$a $-$ Resultant force exerted on the pin

Determine for that position, the radial and transverse components of the resultant force exerted on pin $B.$

The radial component of the resultant force is $-$

lb and the transverse component is

Ib$.$