Because it demonstrates the relationship between a body and the forces acting upon it, and its motion in response to those forces. [Hope that helps]
answer: derived physical quantities are those quantities that are obtained from the basic physical quantities by multiplication or division and area is one of them
1. D:Asteroids have geological activity
2.A:Short-period comets circle around the sun in 200 years or less and originate in the Kuiper Belt
3.D:All of the above
4.A:It’s gravity is too weak to clear it’s orbit
5.B:Ceres
6.C:Haumea
7.A:Is bigger than Pluto
I hope this helps
not too sure on this one maybe to locate objects under water, to diagnose problems, to treat medical ailments
