Question

Which simple machine is NOT correctly matched with an appropriate task for its use?

a lever: Removing a nail from a board
an inclined plane: Moving a heavy box up to the second floor of a building.
a wedge: Splitting a log
a pulley: Lifting a heavy box and moving it across a room

Answer 1

the simple machine that is not correctly matched with its appropriate task is the inclined plane because there is no such big ramp that is as high as 1 storey building, the appropriate task would be Lifting a heavy box and moving it across a room. and for the pulley : Moving a heavy box up to the second floor of a building.