A Brass Bar Twisted by Torques T Acting at the Ends

question 35

Short Answer

A brass bar twisted by torques T acting at the ends has the follow- ing properties: L = 2.1 m, d = 38 mm, and G = 41 GPa. The torsional
Stiffness of the bar is approximately: (A) $1200 \mathrm{~N} \cdot \mathrm{m}$
(B) $2600 \mathrm{~N} \cdot \mathrm{m}$
(C) $4000 \mathrm{~N} \cdot \mathrm{m}$
(D) $4800 \mathrm{~N} \cdot \mathrm{m}$

Recognize the role of positive individual traits in happiness and psychological health.

Understand the concept of gratitude and its significance.

Critically evaluate the criticisms and scope of positive psychology.

Recognize the role of positive institutions in fostering well-being.

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Definitions:

Average Variable Cost

The total variable cost divided by the quantity of output produced; it shows the cost of producing one more unit of output.

Short Run

A period in which at least one input in the production process is fixed, limiting the ability of the firm to adjust production.

Competitive Firm

A business operating in a market where it has little to no influence over the price of its product or service due to competition.

Break-even Price

The price at which the total revenues of a business exactly cover its total costs, thus resulting in neither profit nor loss.