Supposing you were in space..in a weightless environment, would it require a force to set an object in motion? explain..

it wouldn't, right? because it's in space, no gravity to pull it, or act upon it..so it would just float?

Yes, a force is require to set an object in motion.

Explanation:

In space, even if you feel weightless, you are subject to motion. If you are orbiting the Earth, you are under the constant influence of Earth having a free-fall acceleration equal to the centripetal acceleration. To disturb this orbital motion, an external force is required. According to Newton's laws of motion, a force is required to change the state of the rest of a body or to change the velocity or direction if it is moving with uniform velocity along a straight line. Whenever there is a change in velocity or direction of a body there is a force acting on it.