Lucas, Jasper, Lay Yee, Jayanth

 Aim: 

 Find out what is the minimum of force needed to pull the wooden block when it is placed on different surfaces.

Protocol:

1. Put a wooden block on top of the long wooden plank.
2. Attach a string  to the wooden block
3. Put the string over the pulley.
4. Attach weights onto the other end of the string until the block moves.
5. Record the amount of weights on the other end of the string in a table
6. Repeat steps 1-5 using other surfaces of the wooden block.
7. After doing steps 1-5 five times, conclude which surface needs the least amount of weights to pull it.