Mechanics
Used to demonstrate the effect of having unbalanced weights on the two sides of a pulley.
APPARATUS: 
LOCATION:

Pulley 
B3

Rope 
D2

Modeling clay  
Weight 
A5

Begin the experiment by having equal weights on both sides of the pulley. Show that
they are either stationary or moving with a constant velocity indicating zero acceleration.
Add a small piece of clay to one of the weights. Show that the weight is moving up
and down with a certain acceleration.