
Young Modulus Quiz
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
David Patton
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A steel wire of original length 2 m and cross-sectional area 1 mm² is subjected to a force of 200 N. If the extension produced in the wire is 0.1 mm, calculate the Young's modulus of the material of the wire.
2 × 10¹¹ N/m²
4 × 10¹¹ N/m²
1 × 10¹¹ N/m²
3 × 10¹¹ N/m²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A copper rod of length 1.5 m and diameter 2 cm is stretched by a force of 5000 N. If the extension in the rod is 0.5 mm, what is the Young's modulus of copper?
1.1 × 10¹¹ N/m²
1.2 × 10¹¹ N/m²
1.3 × 10¹¹ N/m²
1.4 × 10¹¹ N/m²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A material has a stress-strain graph that is a straight line passing through the origin with a slope of 2 × 10¹¹ N/m². What is the Young's modulus of this material?
1 × 10¹¹ N/m²
2 × 10¹¹ N/m²
3 × 10¹¹ N/m²
4 × 10¹¹ N/m²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A wire is subjected to a tensile stress of 5 × 10⁷ N/m² and the corresponding strain is 2.5 × 10⁻³. Calculate the Young's modulus of the wire.
1 × 10¹⁰ N/m²
2 × 10¹⁰ N/m²
3 × 10¹⁰ N/m²
4 × 10¹⁰ N/m²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A stress-strain graph for a material shows a linear region with a slope of 1.5 × 10¹¹ N/m². What does this slope represent?
The tensile strength of the material
The Young's modulus of the material
The yield strength of the material
The fracture point of the material
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cylindrical rod of length 2 m and radius 0.01 m is subjected to a tensile force of 1000 N. If the Young's modulus of the material is 2 × 10¹¹ N/m², calculate the extension produced in the rod.
0.5 mm
1 mm
1.5 mm
2 mm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A material has a Young's modulus of 2.5 × 10¹¹ N/m². If a stress of 5 × 10⁸ N/m² is applied, what is the resulting strain?
2 × 10⁻³
1 × 10⁻³
3 × 10⁻³
4 × 10⁻³
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