Spring from Cognito video #44 Elasticity.

What are the two different types of deformation?

• Plastic and rigid

• Elastic and inelastic

• Plastic and inelastic

• Elastic and rigid

What is the symbol used for extension?

• X

• E

• K

• F

What does Hooke's Law describe?

• The relationship between force and extension

• The relationship between mass and weight

• The relationship between speed and time

• The relationship between length and width

What is the unit of measurement for the spring constant?

• Pascals

• Kilograms

• Meters

• Newtons per meter

What happens to an object beyond its elastic limit?

• It becomes stiffer

• It deforms inelastically

• It returns to its original shape

• It becomes more elastic

What is the relationship between force and extension according to Hooke's Law?

• Directly proportional

• Exponential

• No relationship

• Inverse

What is the point called where Hooke's Law no longer applies?

• Elastic limit

• Plastic limit

• Proportional limit

• Stiffness limit

What does the spring constant indicate?

• The force applied

• The weight of the object

• The length of the spring

• The stiffness of the material

What is the natural length of a spring?

• The length after removing force

• The length after deformation

• The length before adding force

• The length after adding force

What is the term used for the increasing length of a spring when it's stretched?

• Compression

• Bending

• Deformation

• Extension