The weight of a person on Earth is 67.0 N. If the gravitational acceleration on the moon is 1.62 m/s2.calculate the person's weight on the moon. 56.0 N
11.0N
4.00 N
108 N

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.