Inclined planes are a helpful tool that makes lifting heavy things easier. They do this by spreading the effort over a longer distance.

Here are some important points to remember:

• Mechanical Advantage (MA): This tells us how much easier it is to lift something with an inclined plane.

• The formula for an inclined plane is:
  $MA = \frac{\text{Length of ramp}}{\text{Height of ramp}}$

• For example, imagine a ramp that is 4 meters long and goes up 1 meter high.

• If we use the formula, we get:
  $MA = \frac{4}{1} = 4$

This means that when using this ramp, we only need to use 25% of the force we would normally need to lift the object.

So, inclined planes really help reduce the work we have to do!