Name one simple machine in our home and explain how it can be made to be more efficient.

Answer 1

One simple machine in our home is a pulley. A pulley is a wheel with a groove along its circumference that is used to lift or move heavy objects. To make a pulley more efficient, we can use a double pulley system, which uses two pulleys connected by a rope or cable. This allows us to lift twice the weight with the same amount of effort. We can also use a larger pulley wheel, which will reduce the amount of effort needed to lift the same weight.