Physics, asked by nisanth1566, 6 hours ago

Why can we not open a water tap with a single finger

Answers

Answered by tanumahak

Answer:

With two fingers, we are applying a couple whose arm is equal to length of handle of the tap. When we apply force with one finger, an equal and opposite force acts at the axis of rotation. Length of arm of couple is halved. Moment of couple is halved.

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