SM 1

SM 1

University

25 Qs

quiz-placeholder

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SM 1

SM 1

Assessment

Quiz

Physics

University

Hard

Created by

Dharavath Sushma Raj

Used 3+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called

modulus of elasticity

stress

strain

pressure

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The unit of stress in S.I. units is

kN/mm²

any one of these

N/mm²

N/m²

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The deformation per unit length is called

shear stress

tensile stress

strain

compressive stress

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The unit of strain is

no unit

N-mm

mm

N/mm

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Strain is equal to, where l =Original length, and δ = Change in length.

δ/l + l

δl/l

δl

l/δl

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.

True

False

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is

tensile stress, tensile strain

tensile stress, compressive strain

compressive stress, compressive strain

compressive stress, tensile strain

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