The force must be applied for motor to keep the package moving is 50 N.
Force is the action of push or pull the object in order to make it move or stop.
Power is related to force and velocity as
P = F x v
150 W = F x 3 m/s
F =50 N
Thus, the force must be applied for motor to keep the package moving is 50 N.
Learn more about force.
https://brainly.com/question/13191643
#SPJ1