2) This simple machine encompasses two parts that act together. The ability of the _______ to roll makes moving a load over a long distance much easier. 3) The _______ has got a fulcrum or pivot point which can lie in a few different positions. This simple machine is used to lift a weight. 4) A _______ is made up of a cylinder with an inclined plane wrapped around it and is very helpful for attaching things to one another. 5) When a heavy load needs to be moved to a height, but it takes too much effort to take it straight upward an _______ may be used. It takes longer but it is easier.

Ответ: 2) колеса, 3) рычаг, 4) винт, 5) наклонная плоскость

1. 2) This simple machine encompasses two parts that act together. The ability of the колеса to roll makes moving a load over a long distance much easier.
2. 3) The рычаг has got a fulcrum or pivot point which can lie in a few different positions. This simple machine is used to lift a weight.
3. 4) A винт is made up of a cylinder with an inclined plane wrapped around it and is very helpful for attaching things to one another.
4. 5) When a heavy load needs to be moved to a height, but it takes too much effort to take it straight upward an наклонная плоскость may be used. It takes longer but it is easier.

Ответ: 2) колеса, 3) рычаг, 4) винт, 5) наклонная плоскость