Determination of Young's Modulus Quiz
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Questions and Answers

What factors does the extension of a wire under tension depend on?

The extension of a wire under tension depends on factors such as the tension, the diameter, length, and material of the wire.

Define stress and its unit of measurement.

Stress is defined as the force applied per unit area of cross-section, and its unit of measurement is Newton per square meter (N/m^2) or Pascal (Pa).

Define strain and explain its unit of measurement.

Strain is defined as the extension per unit length, and it has no units since it is the ratio of two lengths.

What is the relationship between stress and strain in a stretched wire within the limit of proportionality?

<p>The strain produced in a stretched wire is proportional to the stress within the limit of proportionality.</p> Signup and view all the answers

What is Young's Modulus and what is its unit of measurement?

<p>Young's Modulus is the ratio of stress to strain within the limit of proportionality, and its unit of measurement is Newton per square meter (N/m^2).</p> Signup and view all the answers

What is the moment of inertia of the cylinder with a ball about the center of mass?

<p>$ICM = \frac{1}{2}ML^2 + mz^2$</p> Signup and view all the answers

What is the distance from the pivoting point to the center of mass?

<p>$R = \frac{1}{2}L$</p> Signup and view all the answers

What is the equation for the cylindrical physical pendulum with a ball inside?

<p>$I\ddot{\theta} = -mgL\sin\theta$</p> Signup and view all the answers

What is the ratio M / m for the system?

<p>$\frac{M}{m} = 1$</p> Signup and view all the answers

What is the value of acceleration due to gravity, g, for this system?

<p>$g = \frac{-I\ddot{\theta}}{mz}$</p> Signup and view all the answers

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