5.5 Forces And Elasticity

Question 1

If you apply apply a force to an object what happens ?

Answer 1

You may cause it to stretch , compress or bend

Question 2

To stretch or compress an object how many forces do you need ?

Answer 2

More than one force otherwise object would just move in the direction of that force

Question 3

If an object has been elastically deformed what does it mean ?

Answer 3

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

Question 4

What happens if an object is inelastically deformed ?

Answer 4

It doesn’t return to its original shape and length after force has been removed

Question 5

When a force stretches or compressed an object what will happen

Answer 5

Work is done and energy is transferred to the elastic potential store

Question 6

If object is elastically deformed and work is done where is the energy getting transferred too ?

Answer 6

All of the energy will be going to the elastic potential store

Question 7

What is the extension of a stretched spring directly proportional to ?

Answer 7

The force applied

Question 8

What is the equation that for extension ?

Answer 8

Force = spring constant x extension

Question 9

What does the spring constant rely on ?

Answer 9

The material you are stretching

A stiffer spring has a greater spring constant

Question 10

When the force is great enough what happens to the extension

Answer 10

It is no longer proportional to the force (limit of proportionality)