Includes activity sheets with 14 achievable experiments.

Topics covered

-Get to know the forces
How do forces add up?
The parallelogram rule
The resultant of homologous parallel forces
We use our strengths wisely.
The balance of an auction
Simple machines
The first, second, and third types of levers.
-Some examples of levers
-The pulleys
-The fixed and movable pulley
-The simple carving
The inclined plane