Topic 5 Forces And Elasticty Flashcards

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1
Q

What can happen when you apply force on an object

A

Stretch compress or bend

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2
Q

How many forces do you need to stretch compress or bend an object

A

More than one

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3
Q

What does it mean if an object is elastically formed

A

It can go back to its original shape and length after the force has been removed 

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4
Q

What can objects that have been elastically deformed called

A

Elastic object

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5
Q

What happens to an object that is inelastically deformed

A

Does not return to its shape and length after the force has been removed

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6
Q

When is work done

A

Weather for stretches or compresses an object causing energy to be transferred the elastic potential energy store of the object

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7
Q

Where is all the energy transferred to if an object is elastically deformed

A

The objects elastic potential energy store

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8
Q

What is the limit of proportionality

A

The maximum force where extension is no longer proportional to it

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9
Q

What is the extension of the stretched spring directly proportional to

A

The load or force applied

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10
Q

What does the spring constant depend on

A

The material you are stretching
Stiffer = greater spring constant

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