Question

For the normal force exerted on the book by the wedge in the diagram, which force(s) complete(s) the force pair for Newton’s third law (action-reaction)?
1) the sum of the component of gravity perpendicular to the surface of the incline and the component of Fhand perpendicular to the surface of the incline
2) the pull of the earth on the book
3) the component of gravity pointing parallel to the surface of the incline
4) the component of Fhand pointing perpendicular to the surface of the incline
5) the normal force exerted on the wedge by the book
6) the pull of the book on the earth
7) the component of gravity pointing perpendicular to the surface of the incline

Answer 1

ytr5 fh yhfgt

Answer 2

A