The ramp shown here is an example of an inclined plane. How does the ramp produce mechanical advantage?
A. It reduces the distance over which the input force needs to be
applied
B. It reduces the amount of input force needed to do a certain
amount of work
C. It reduces the overall amount of work done on objects moving up
the ramp
Dit reduces the amount of useful work done on objects moving up
the ramp

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the