Question

why is difficult to unsrew a jar with an oily hand?​

Answer 1

Answer:

due to friction

Explanation:

when the jar is oily it becomes hard to unscrew it due to friction

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Answer 2

Answer:

When the hands are oily, then the oil acts as lubricant and reduces the friction. As the frictional force is less, it is difficult to get grip over the lid of the bottle and becomes difficult to open it.

Explanation:

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