Bending, Stretching and Extension Quiz

Drag and drop to match the term with the correct description

Returns to original shape after stretching, bending or compressing
Becomes permanently distorted after stretching, bending or compressing

Elastic deformation (distortion)
Inelastic deformation (distortion)

Which of the following is required for a material to bend, stretch or compress?

Only one force
More than one force
Exactly two forces
More than two forces

What will happen if only one force is applied to an object?

It will move
It will stretch, bend or compress
It will not do anything
It will heat up, but only one one side

Which of the following is the extension of a spring?

The total length of a spring when forces are applied to both ends
The change in length of a spring when forces are applied to both ends
The total length of a spring with no forces applied
The change in length of a spring as a result of natural heating and cooling

The image shows the relationship between force and extension for a spring. What kind of relationship is this?

Linear
Non-linear
Exponential
Logarithmic

Elastic bands have a relationship between force and extension that is not directly proportional. What is another way of describing this relationship?

A non-linear relationship
A linear relationship
An erratic relationship
An erroneous relationship

Which two things happen if you stretch a spring too far?

The spring will not return to its original shape
The spring will no longer have a linear relationship between force and extension
The spring will react as normal when you release it
The spring will heat up and melt, causing its length to increase

Force exerted on a spring = x

Calculate the force exerted on a spring with an extension of 40cm and a spring constant of 12.5 N/m (Equation)

N

Calculate the spring constant for a spring with an extension of 25mm and a force exerted of 1.6 N

N/m

Use the equation for energy transferred in stretching to answer the following question. Calculate the energy transferred in stretching a spring with a spring constant of 26 N/m and an extension of 2 m

J

Use the equation for energy transferred in stretching to answer the following question. Calculate the extension of a spring with a spring constant of 3 N/m that transferred 106 J of energy in stretching.

m

Bending Stretching and Extension Quiz

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