The forces acting on a child sitting in a seat are described by the free-body diagram shown. fn=100n up and down fg=-100n what is the net force acting on the child? a.–100 n b.0 n c.100 n d.200 n

coil wire, increase current, put iron inside the coil

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..