Chapter 12, Problem 63A

Interpretation Introduction

Interpretation:

This is to be explained how two different forces play a role in capillary action.

Concept introduction:

Capillary action is defined as the ability of liquid to flow in narrow spaces

Answer to Problem 63A

Adhesion and Cohesion are two forces that play a role in capillary action.

Explanation of Solution

Capillary action usually results from two kinds of forces adhesive force and cohesive force or one can say adhesion and cohesion. Adhesive forces between water molecules and molecules in glass of capillary are stronger than the force that is cohesive which is holding water molecules together.

Conclusion

Water moves up the walls of the tube.