What type of force is exerted by a surface to support the weight of an object resting on it?

When you slide a book across a table, which force opposes the motion of the book?

Which force is used when you push a shopping cart at the grocery store?

If a magnet is used to pick up paper clips, which force is at work?

Which force acts perpendicular to the surface of contact between two objects?

What happens to the gravitational force between two objects if the distance between them is doubled?

Which force is responsible for slowing down a bicycle when you stop pedaling?

When you lift a box off the ground, which force are you working against?

Which force is responsible for the attraction between the Earth and the Moon?