3 years ago

Which of the following is NOT an example of a direct cost of workplace injuries?

Engineering

1 answer:

hammer [34]3 years ago

4 0

Answer:

Lost productivity

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true

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Calculate the unit length of a roof using common rafters if the unit run is 7 inches. Round your answer to two decimal places.

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In a planetary geartrain with a form factor of 8, the sun gear rotates clockwise at 5 rad⁄s and the ring gear rotates clockwise

lina2011 [118]

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D. N= 11. 22 rad/s (CW)

Explanation:

Given that

Form factor R = 8

Speed of sun gear = 5 rad/s (CW)

Speed of ring gear = 12 rad/s (CW)

Lets take speed of carrier gear is N

From Algebraic method ,the relationship between speed and form factor given as follows

$\dfrac{N_{sun}-N}{N_{ring}-N}=-R$

here negative sign means that ring and sun gear rotates in opposite direction

Lets take CW as positive and ACW as negative.

Now by putting the values

$\dfrac{N_{sun}-N}{N_{ring}-N}=-R$

$\dfrac{5-N}{12-N}=-8$

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So the speed of carrier gear is 11.22 rad/s clockwise.

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solution is mentioned in steps.

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