The attraction between Earth and Sydney is equal to her weight. The reaction to Earths pull on Sydney is
A. Sydney pushing against Earths surface.
B. the support of Earths surface on Sydney.
C. Sydneys pull on Earth.
D. none of the above
Answer:C
The attraction between Earth and Sydney is equal to her weight. The reaction to Earths pull on Sydney is
A. Sydney pushing against Earths surface. B. the support of Earths surface on Sydney. C. Sydneys pull on Earth. D. none of the above