5. Inclined Plane

5. Inclined Plane

How did Egyptians build pyramids?

• huge blocks weighing thousands of pounds needed to be move up to the top

• they could do this with the help of inclined planes

Inclined planes

• the load is resolved into 2 components

• vertical component is balanced by the normal

• => effort < load

• => force multiplier

Multiple Select

On which plane the effort applied is less?

Disadvantage of inclined plane

• the smaller the angle between the plane and the horizontal, the small the effort will be applied

• at the same time, the load will be needed to push for a longer distance to reach the same height