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This quiz contains 5 questions from a mix of 1 subtopics.
A steel rod of length 5 meters and cross-sectional area 0.0001 m2 is subjected to a force of 10,000 N. What is the stress applied to the rod?
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What is the strain on a rubber band that was originally 4 meters long and stretched to 5 meters?
0.30
0.20
0.25
0.15
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Calculate the elastic potential energy stored in a wire stretched by 0.02 meters using a force of 500 N.
15 J
20 J
5 J
10 J
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A 1.5-meter-long aluminium rod with a cross-sectional area of 0.0002 m2 extends by 0.003 meters under an applied force of 3,000 N. Calculate Young's modulus for aluminium based on this experiment.
7.5×109 Pa
2.5×109 Pa
5×109 Pa
1×1010 Pa
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During an experiment to determine Young's modulus, a wire extends by 2 mm under a tension force of 800 N. If the original length of the wire was 2 meters and the cross-sectional area was 2×10−5 m2, what is Young's modulus for the wire material?
1×1011 Pa
8×1010 Pa
4×1010 Pa
2×1011 Pa
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