(See also Newton’s Third Law demonstrations, and number 12.15 under Newton’s First Law, in chapter 12, Dynamics.)
24.03 Roll dumbbell down skateboard ramp (also listed as 12.63 under Newton’s Third Law, in chapter 12, Dynamics)
24.06 Elastic versus inelastic balls
24.07 (In)elastic pendulum
24.09 Collisions of suspended billiard balls
24.10 Drop small ball on large ball
24.11 Bounce balls under table
24.12 Elastic and inelastic collisions on the air track
24.15 Ballistic pendulums
Center of Mass
24.18 Throw mallet
24.21 Throw off-center ball
24.24 Clown on tightrope (also listed as 32.06 in chapter 32, Equilibrium and Elasticity)
24.27 Balance balls on ends of rod
24.30 Cantilever (also listed as 32.15 in chapter 32, Equilibrium and Elasticity)
24.33 California board
24.36 Stacked blocks (also listed as 32.12, in chapter 32, Equilibrium and Elasticity)
24.39 Tilting table (also listed as 32.09, in chapter 32, Equilibrium and Elasticity)
24.42 Cone rolls uphill
24.45 Pendulum on wheels
24.48 Pendulums on air track cart
24.51 Spring between air track carts
A video of this demonstration is available (a link is on its page).