Hooke's Law Review

Hooke's Law describes the behaviour of which kind of material under tension?

• plastic
• metals only
• elastic
• non-metals only

An elastic material can change shape when ________ is exerted on it.

• a force

• a moment

• an acceleration

A deformation is a change in _________.

• Speed

• shape

• direction

Elasticity is the property of material that enables an object to return to its original ___________ after the force applied on it is removed.

• shape and size

• colour and size

• type and shape

• height and weight

In the diagram, a force is used to stretch a spring. The spring is temporarily deformed when the force is applied. When the force is removed, the spring . . .

• returns to its original length.

• stays the same length.

When you stretch a material past its _____, it is no longer elastic.

• breakdown

• elastic limit

• limit

If extension = Stretched length - original length. What is the extension of spring D.

• 1mm
• 2mm
• 3mm
• 0mm

In which side of the graph does the spring obey Hooke's law?

• To the left of point A

• To the right of point A

What is the symbol for spring constant?

• k

• W

• m

• K/J

If F is force, k is spring constant and e is extension, Hooke's Law tells us that:

• F = k / e

• F = k + e

• k = F x e

• F = k x e