Question

a ____________________ moves objects without actually picking them up and they are by far the easiest manipulator type to design and build.
plow
object manipulator
accumulator
scoop
friction grabber

Explanation:

A plow - type manipulator moves objects without actually picking them up. It is relatively simple in design and construction as it mainly relies on pushing or guiding the objects rather than complex grasping mechanisms.

Answer:

Plow