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The door handle is an application of a lever - Junior Cycle Science - Question b - 2011

Question b

The door handle is an application of a lever. The labels and arrows show three points. Which of the points A, B or C represent (i) the fulcrum (turning point), (ii... show full transcript

Worked Solution & Example Answer:The door handle is an application of a lever - Junior Cycle Science - Question b - 2011

Step 1

(i) the fulcrum (turning point)

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Answer

The fulcrum is the point around which the lever rotates. In the context of the door handle, this is point A as it serves as the pivot point for the handle, allowing it to turn.

Step 2

(ii) the point where the smallest force will open the door lock

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Answer

The point where the smallest force will open the door lock is point C. This is because it is located farthest from the fulcrum (point A), allowing a smaller force applied to this point to create a larger turning effect (moment) to open the door.

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