Tools meant for cutting and piercing always have:

Sharp edges

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Smooth edges

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Long handle

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All the above

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Solution

The correct option is A
Sharp edges

Tools meant for cutting and piercing always have sharp edges so that they may produce large pressure to cut things easily.

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Similar questions

Give scientific reasons;

(1) The ships entering fresh water from sea water sink to a greater extent.

(2) The cutting edges of tools like knives, blades etc are provided with sharp edges.

Why knife have sharp edges

(a)

2 m m

(b)

= 45^{o}

= 10^{o}

0.08 m m / r e v,

m m

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