A force of 15 n toward the west is applied to a 4. 0 kg box. Another force of 42 n toward the east is also applied to the 4. 0 kg box. The net force on the 4. 0 kg box is.

i am not exactly sure but i think its when you look at the comment and on the top right it has a picture of a brain click that and you should get it

if you break down the data from the global footprint network, china exerts far more pressure on its ecosystems per capita than america in terms of crops, grazing, foresting, and fishing. but where america blows everybody out of the water is carbon emissions per capita