Answer:
A force acting on an object causes the object to change its shape or size, to start moving, to stop moving, to accelerate or decelerate. When there's the interaction between two objects they exert a force on each other, these exerted forces are equal in size but opposite in direction.
Inside these factories there sometimes were no good ventilation(no windows), many frequent accidents would happen and many children would start working very early maybe starting by the age of 6 yrs old if there parents weren't there to supervise them
