Question

name two complex machine that are present in our house​

Answer 1

Here are a few of the most common places to find simple machines in the home:

Pulley: blinds, garage doors, flag poles.

Lever: see saw, pry bar, lever action door latches.

Wedge: scissors, screw, a knife.

Wheel and axle: office chairs, carts, wheeled carry-on luggage and toy cars

thx

Answer 2

Answer:

lever-screw

lever_pulley

hope this may help you