5.3 - forces and elasticity

Question 1

Explain the relationship between the force applied and the extension of an
elastic object.

Answer 1

directly proportional until the limit of proportionality is exceeded

Question 2

What is meant by an inelastic (plastic)
deformation?

Answer 2

● A deformation which results in the
object being permanently stretched
● The object doesn’t return to its original
shape when the force is removed

Question 3

What type of energy is stored in a spring
when it is stretched?

Answer 3

Elastic potential energy.

Question 4

What can extension be replaced with in
the equation for spring force?

Answer 4

Compression.

Question 5

What is meant by an elastic deformation?

Answer 5

object returns to original shape after being stretched