Чтобы поднять с помощью гидравлической машины контейнер весом 1500 Н, к меньшему поршню прикладывают силу 1000 Н. Какова площадь меньшего поршня, если площадь большего равна 3000 см (в квадрате)?

помогите написать сочинение из 7-10 слов чем я интересуюсь  и почему ?) 

Complete the sentences (1-8) with a correct word below.

motorbike, yacht, commuters, flight, ferry, journey, on foot, hovercraft, trips


1. It's a long journey from here to Scotland.
2. Some people don't drive to work or go by bus. They go________________.
3. Some people use cars even for short when they could easily walk.
4. In Britain, you have to wear a helmet if you ride a__ motorbike__________.

5. Take the across the Channel if you want to travel from England to France. It's much faster
than the .
6. People who travel a long way to the place where they work are called____________.
7. If I was a millionaire, I'd buy a and keep it at Monte Carlo.
8. Your leaves from Gatwick Airport, not Heathrow!