Physics Concepts Quiz

Physics Concepts Quiz

University

31 Qs

quiz-placeholder

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Physics Concepts Quiz

Physics Concepts Quiz

Assessment

Quiz

Specialty

University

Practice Problem

Easy

Created by

AlasyAriy Physics

Used 1+ times

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31 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Define: (a) Stress (b) Strain (c) Young modulus

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

State Hooke’s law and describe the condition under which it applies.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between elastic deformation and plastic deformation.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

A wire of length 1.8 m and cross-sectional area 2.0 × 10 − 6 m 2 extends by 0.60 mm when subjected to a tensile force of 30 N. (a) Calculate the stress. (b) Calculate the strain. (c) Determine the Young modulus.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

A student plots a stress–strain graph for copper. (a) Sketch the general shape of the graph. (b) Indicate the yield point and explain its significance. (c) Explain how the graph can be used to find the Young modulus.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Steel cables are used in lifts instead of copper wires. Using stress–strain concepts, explain why.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to use a long, thin wire when measuring Young modulus experimentally?

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