A large mass will be placed on top of the block, so that the block will take a fair amount of force to get moving. Your instructor will slowly pull harder and harder on the block until the block starts to move, and then they will continue pulling on the block to keep it moving. Compared to the force required to get the block moving, do you think the force required to keep the block in motion will be more, less, or the same amount? Why do you think this will be the case