You apply 100.0n of force to a machine. the machine applies 20.0n of force to the load. what is the mechinical advantage of the macheine

The air that we breath is made mostly of which gaseous molecule

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?