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Physics Chapter 7 : Topic 2
Tensile and Compressive Deformation
1 / 40
Deformation of a solid occurs when an external force causes a change in its:
Reasoning: Deformation is the change in shape or size of a solid due to an applied force.
2 / 40
The main cause of deformation in a solid is:
Reasoning: A force applied to a solid can change the arrangement of its particles, causing deformation.
3 / 40
In one-dimensional deformation, the change mainly occurs along:
Reasoning: One-dimensional deformation involves change in length along a single direction.
4 / 40
A wire is stretched by pulling forces at both ends. The deformation produced is:
Reasoning: Tensile deformation occurs when forces pull a material apart, increasing its length.
5 / 40
A metal rod is compressed by forces acting inward from both ends. This produces:
Reasoning: Compressive deformation occurs when forces push a material together, reducing its length.
6 / 40
When a force stretches a wire, the distance between its particles:
Reasoning: Tensile forces increase the separation between particles along the applied force direction.
7 / 40
When a solid is compressed, its length:
Reasoning: Compressive forces push particles closer together, reducing the length.
8 / 40
Which situation represents tensile deformation?
Reasoning: Stretching forces produce tensile deformation.
9 / 40
Which situation represents compressive deformation?
Reasoning: Compression occurs when forces act toward each other, shortening the object.
10 / 40
A force applied to a solid causes deformation because it:
Reasoning: Applied forces slightly change the positions of particles, causing deformation.
11 / 40
A wire becomes longer when equal forces act outward at both ends. The forces are:
Reasoning: Forces pulling outward produce tension and increase length.
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A force that tries to shorten an object along its length produces:
Reasoning: Compression reduces the length of an object by pushing its ends together.
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A student pulls both ends of a rubber band. The rubber band experiences:
Reasoning: Pulling forces stretch the rubber band, producing tensile deformation.
14 / 40
A vertical column supporting a building mainly experiences:
Reasoning: The weight of the building pushes downward on the column, causing compression.
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If a rod returns to its original length after removing the applied force, the deformation is:
Reasoning: Elastic deformation disappears when the applied force is removed.
16 / 40
The direction of tensile deformation is usually:
Reasoning: Tensile deformation occurs in the direction in which the material is pulled.
17 / 40
A rod is pushed from both ends and becomes shorter. The applied forces are:
Reasoning: Inward forces at both ends cause compression.
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One-dimensional deformation of a wire is mainly measured by the change in its:
Reasoning: One-dimensional deformation considers change along one dimension, usually length.
19 / 40
Which statement correctly describes tensile deformation?
Reasoning: Tensile forces pull a material apart, increasing its length.
20 / 40
Which statement correctly describes compressive deformation?
Reasoning: Compression causes particles to move closer and reduces the object’s length.
21 / 40
A wire of length $\mathbf{2\ m}$ is stretched to $\mathbf{2.1\ m}$. The deformation is:
Reasoning: The length has increased, indicating tensile deformation.
22 / 40
A rod of length $\mathbf{1\ m}$ becomes $\mathbf{0.98\ m}$ after applying a force. The rod has undergone:
Reasoning: A decrease in length indicates compression.
23 / 40
Which force arrangement produces tensile deformation?
Reasoning: Opposite outward forces stretch the material.
24 / 40
Which force arrangement produces compressive deformation?
Reasoning: Inward forces compress the object.
25 / 40
A bridge cable supports a load by mainly experiencing:
Reasoning: Cables are designed to withstand pulling forces, producing tensile deformation.
26 / 40
A brick placed under a heavy load experiences:
Reasoning: The load applies a compressive force that tends to shorten the brick.
27 / 40
Deformation does not necessarily mean that a solid:
Reasoning: Deformation changes shape or size but does not normally change chemical composition.
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If a wire is stretched equally from both ends, the internal restoring forces in the wire act:
Reasoning: Solids develop restoring forces that oppose deformation.
29 / 40
The deformation produced when a material is pulled apart is called:
Reasoning: Tensile deformation is the result of pulling forces that increase length.
30 / 40
The deformation produced when a material is squeezed is called:
Reasoning: Squeezing forces reduce the length of the material, producing compression.
31 / 40
A metal wire and a rubber wire are both stretched by forces. The type of deformation in both cases is:
Reasoning: Any material stretched by pulling forces undergoes tensile deformation.
32 / 40
A force applied along the length of a wire produces:
Reasoning: A force along one axis causes deformation mainly along that dimension.
33 / 40
Which example shows deformation due to compression?
Reasoning: Crushing involves forces that push the material inward.
34 / 40
A solid can deform because:
Reasoning: Forces can slightly alter particle positions within a solid structure.
35 / 40
The essential requirement for deformation of a solid is:
Reasoning: External forces produce changes in the dimensions or shape of solids.
36 / 40
A suspension cable of a bridge is thicker than expected because it must withstand:
Reasoning: Suspension cables support loads through tension.
37 / 40
A column becomes slightly shorter when a heavy load is placed on it. This change represents:
Reasoning: A load pushes the column downward, causing compression.
38 / 40
In one-dimensional deformation, the important change is:
Reasoning: One-dimensional deformation focuses on length change in one direction.
39 / 40
Which pair correctly represents the types of one-dimensional deformation?
Reasoning: One-dimensional deformation occurs mainly as stretching (tensile) or squeezing (compressive).
40 / 40
A force that increases the length of a wire produces:
Reasoning: Increasing length due to pulling force is tensile deformation.
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