Author Question: For this situation, I push on a heavy chair. Suppose I push very hard on the chair, and this time ... (Read 443 times)

dbose · **on:** Jul 28, 2018

For this situation, I push on a heavy chair. Suppose I push very hard on the chair, and this time the both the chair moves and I slip backward as well. Then the strength of the force the chair exerts on me is
a. less than the force I exert on the chair
b. equal to the force I exert on the chair
c. greater than the force I exert on the chair
d. zero

Question 2

What shows directly that there is a nuclear force?
a. The fact that electrons congregate around the nucleus.
b. The fact that nuclei can lose nucleons.
c. The relatively large mass of protons and neutrons compared to the electrons.
d. The fact that electrons can change shells around the nucleus.
e. The fact that so many nuclei are stable and hold together despite the repulsion between their positive charges.