Materials Physics Quiz

What is the expected shape of the graph if Hooke's Law is valid?

• A horizontal line

• A straight line through the origin

• A vertical line

• A curved line

In the breaking stress experiment, what is the formula used to calculate the breaking stress?

• Mass times acceleration

• Area divided by force

• Force divided by area

• Force times area

Which instrument is used to measure the diameter of the wire in the breaking stress experiment?

• Top pan balance

• Ruler

• Vernier caliper

• Micrometer

What is Young's Modulus defined as?

• Mass divided by force

• Force divided by mass

• Strain divided by stress

• Stress divided by strain

In the Young's Modulus experiment, what does the gradient of the force vs. extension graph represent?

• Young's Modulus divided by area

• Length divided by Young's Modulus

• Young's Modulus times area divided by length

• Area divided by Young's Modulus