Which of the following is an example of a non-contact force? 1.the force of a spring board on a diver
2.the force of a table on a book
3.the force of gravity on a falling ball
4.the force of pushing a stroller
please answer this soon! ^^

2.the force of a table on a book

Explanation:

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?