What if I push an object which is already moving
horizontally? Wouldn't its velocity change and cause
acceleration in the object? Thus, force would cause
acceleration in horizontal motion. The natural
acceleration actually observed in vertical motion must
be the result of a vertical force on the body. Without this
force, the natural vertical motion would also be at a
constant speed, just like natural horizontal motion. This
vertical force is of course the force of gravity.
May i know who said this?
Share
Answer:
Galileo Galilei po ang sagot