This java applet shows the advantage of a pulley.

1. There are three sets of pulley.

2. Double click within those block to change its mass.

3. You can click within those block and drag it up and down.

4. Gravity pulls down one the block with force Mg.

Your suggestions are highly appreciated! Please click hwang@phy03.phy.ntnu.edu.tw

AuthorĄGFu-Kwun Hwang, Dept. of physics, National Taiwan Normal University
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