How does the pulley on the well in the picture make work
easier when pulling up a bucket of water?
It adds weight to the bucket.
It changes the direction of the force.
It increases the amount of force.

The pulley makes work easier primarily by changing the direction of the force needed to lift the bucket. Instead of pulling straight up, the user can pull down on the rope, using their body weight and gravity to assist in lifting the bucket. This simple shift can create a more ergonomic lifting action, making it less strenuous!

Additionally, using a pulley system can also reduce the effort required. While it doesn’t literally increase the amount of force, it allows for a mechanical advantage: with a well-placed pulley, you can lift heavier buckets with less physical strain. So, users can fill their buckets to the brim without feeling like they’ve just wrestled a bear!