C3-04
Illustrates inertia of rest

Place the lead brick gently on your fingers and strike the lead brick sharply with the hammer. The inertia of the lead brick prevents damage to your fingers.

Engagement Suggestion
• This is a visually impressive way to get students’ attention at the beginning of a discussion of inertia.
• This can be used as a volunteer participation demonstration, but please be very careful.
C3