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katen-ka-za [31]
3 years ago
9

Iron cutting scissors have short edges whereas cloth cutting scissors have long edges why​

Physics
1 answer:
lesya [120]3 years ago
7 0

Answer:

The shorter the blades(edges) are the more pressure can be applied. Because iron is a more dense and tougher material the edges must be short in order to provide enough pressure/force to break the bonds within the atoms.

Explanation:

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Given:
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To detrmine the time interval at which the balls are in contact.

<u>Given information</u>

The mass of each steal ball 67.8g. The speed of ball towards each other is 4.80 m/s. The exerted force by each jaw 15.9 kN and the forece reduce the diameter by 0.130 mm.

Expression for the effective spring constant ball is shown below.

K = |F|/|x|

Here,

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x is dispalcement due force

substitute 15.9 kN for F and 0.130 mm in above equation

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The spring constant is 122 x 10⁶ N/m

     

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