Length of the ramp (L) = 4.0 m = Distance traveled by the effort
Height of the inclined plane (h) = 2.0 m = Distance traveled by the resistance
IMA = Ideal mechanical advantage
[tex]IMA = \frac{L}{h}[/tex]
[tex]IMA = \frac{4.0}{2.0}[/tex]
IMA = 2.0
Hence, the IMA of the inclined plane is 2.0