WEDGE

WEDGE: A wedge is a modification of an inclined plane that moves . It is made of two inclined planes put together. Instead of the resistance being moved up an inclined plane, the inclined plane moves the resistance.

ACTIVITY:What happens when the wedge is pushed between the stack of books?

Materials:

four hard covered books
a wedge
a tabletop
1. Stack the books on the tabletop vertically.
2. Place the tip of the wedge between the second and third books.
3. Push the wedge between the books.

To WORK IS SIMPLE WITH SIMPLE MACHINES