Iwill fail if i dont get this done, can somebody me?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

Most of the volume of an atom is occupied by the