Question
Asked Jul 1, 2019
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The plate OAB forms an
normal and tangential components of acceleration of the centroid C at a certain instant are 65 m/s2 and 27 m/s2,
respectively, determine the values of
equilateral triangle which rotates counterclockwise with increasing speed about point O. If the
and
at this same instant. The angle 0 is the angle between line AB and the fixed horizontal axis and the distance b 180
mm.
b
b
b
Answers:
rad/s
rad/s2
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The plate OAB forms an normal and tangential components of acceleration of the centroid C at a certain instant are 65 m/s2 and 27 m/s2, respectively, determine the values of equilateral triangle which rotates counterclockwise with increasing speed about point O. If the and at this same instant. The angle 0 is the angle between line AB and the fixed horizontal axis and the distance b 180 mm. b b b Answers: rad/s rad/s2

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Expert Answer

Step 1

Draw the equilateral triangular link, in the horizontal orientation as:

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\180 mm 180 mm 180 mm

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Step 2

The radius of the centroid of the triangle, with respect to the pivot point O, expressed as OC, will be given using triangle geometry as:

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b r = 74 3

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Step 3

Substitute suitable values in...

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180 mm /3 1 m 103.92 mm 10 mm/ 0.10392 m 0.104 m

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