Which simple machine helps us lift water from a well?

A sloping surface used to lift heavy objects easily is called:

A pair of scissors is an example of:

A screwdriver acts as a:

Which of the following is a compound machine?

A hammer used to remove nails works as a:

A nut and bolt together form which simple machine?

A nail works as a:

The fixed point about which a lever rotates is called:

Which simple machine is used in a zipper?