Are these forces dissipative or conservative?

Question

a. A baseball bat swings and hits a ball.
b. An outfielder catches the ball.
c. A man places a bowling ball on a tall shelf.
d. The bowling ball falls down and shatters the floor below it.
e. A water molecule is ripped apart into its constiituents-hydrogen and oxygen.

Answer 1

Basically, conservative forces are when energy is added to a system and dissipative forces are when energy is lost from the system.

a. Conservative, the bat adds energy to the ball to propel it.
b. Dissipative, the mitt and hand of the outfielder absorb the energy of the ball.
c. Conservative, the man adds potential energy to the ball by lifting it up.
d. Dissipative, the floor absorbs the kinetic energy of the falling ball
e. Not sure about this, but I would say conservative because it requires energy to break the bonds between the hydrogen and the oxygen

Answer 2

if it strikes at a persevering with velocity then which potential the internet tension is comparable to 0 considering all of us be attentive to that there is a ten N tension pushing it alongside and because all of us be attentive to that there ought to be a nil internet tension all of us be attentive to that the tension of friction ought to be pushing back with 10 N and all of us be attentive to that F(friction)=mgu 10 N=(10)(10)u 10 N=100u 10 N/a hundred=u 0.one million=u.s. the coefficient of friction=0.one million