Question

(a) A force of _______ opposes the relative motion between the two surfaces in contact with each other.
(b) On the Fahrenheit scale there are ______ divisions between the ice point and the steam point.
(c) Muscular force is an example of _________ force.
(d) During collision of molecules with the walls of the container, their _________ changes.​

Answer 1

Answer:

I am sorry brother

but I don't know

Answer 2

Answer:

(a) friction

(b) 180

(c) contact force

(d) kinetic