NUTRITION
THE HUMAN BODY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Scissors
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scale
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bottle opener
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None of the above
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Detailed explanation-1: -A bottle opener is an example of lever of second order because point 2 i.e. the load is in the centre, the fulcrum on one side and point 1 i.e. the effort, on the other side.
Detailed explanation-2: -A lever is one kind of simple machine. It makes work much easier. A bottle opener is a lever. It makes it easier to open a bottle.
Detailed explanation-3: -Keys. Use your dominant hand to slide the long side of your key under the cap, then twist the key upward to loosen the cap. Another beer. We’ve seen this more times than we can count. Metal spoon or fork. Scissors. Lighter. Lipstick. Door frame. Screwdriver. More items •02-Feb-2022
Detailed explanation-4: -Crown cork opener. This opener is also known as the original bottle opener. Speed opener. Also known as a bar blade or popper, a speed opener has a hole at one end and a letterbox cut at the other. Multi-opener. Wall-mounted.