The Total Force Needed to Drag a Box at Constant $\mu$

question 40

Multiple Choice

The total force needed to drag a box at constant speed across a surface with coefficient of kinetic friction $\mu$ k is least when the force is applied at an angle $\theta$ such that:

• A)sin\(\theta\)= \(\mu\)k.
• B)cos\(\theta\) = \(\mu\)k.
• C)tan\(\theta\)= \(\mu\)k.
• D)cot\(\theta\)= \(\mu\)k.
• E)sec\(\theta\) = \(\mu\)k.

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Definitions:

Weighted Average Cost

A method of calculating the average cost of inventory or cost of goods sold by weighting each item by its relevance or quantity.

Cost of Equity

The yield a business seeks to determine whether an investment fulfills its requirements for capital returns, frequently calculated through methods such as the Capital Asset Pricing Model (CAPM).

Face Value

The nominal value of a security stated by the issuer.

Cost of Equity

The return that investors expect for investing in a company's equity, reflecting the risk of the investment.