A Uniform Rod Is 2

question 6

Multiple Choice

A uniform rod is 2.0 m long. It is hinged to a wall at its left end, and held in a horizontal position at its right end by a vertical very light string, as shown in the figure. What is the angular acceleration of the rod at the moment after the string is released if there is no friction in the hinge?

• A) 15 rad/s²
• B) 3.3 rad/s²
• C) 7.4 rad/s²
• D) 11 rad/s²
• E) It cannot be calculated without knowing the mass of the rod.

---

Definitions:

Wrongful Act

Any action that infringes on the rights of another or is illegal, leading to potential legal liability.

Tort

A wrongful act in a civil context that results in harm or loss for the affected individual, thereby establishing legal accountability for the one committing the act.

Arm's-Length Transaction

A deal made by parties freely and independently of each other, and without some special relationship, such as a familial tie, that might taint the transaction.

Confidentiality

The obligation to protect and not disclose information that is private, sensitive, or classified to unauthorized individuals.