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Fynjy0 [20]
2 years ago
8

The

Physics
1 answer:
USPshnik [31]2 years ago
3 0

Answer:

Point of operation.

Explanation:

A tool can be defined as a mechanical or electronic apparatus that is typically used for performance of specific tasks.

This ultimately implies that, a tool is generally used by workers to perform their day-to-day tasks, duties or job functions.

All work related activities in the workshop have a point of operation i.e the particular point where a task is to be performed such as cutting a wood.

Hence, the point of operation is where the worker applies a tool to materials.

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Start by facing East. Your first displacement is the vector

<em>d</em>₁ = (225 m) <em>i</em>

Turning 90º to the left makes you face North, and walking 350 m in this direction gives the second displacement,

<em>d</em>₂ = (350 m) <em>j</em>

Turning 30º to the right would have you making an angle of 60º North of East, so that walking 125 m gives the third displacement,

<em>d</em>₃ = (125 m) (cos(60º) <em>i</em> + sin(60º) <em>j</em> )

<em>d</em>₃ ≈ (62.5 m) <em>i</em> + (108.25 m) <em>j</em>

The net displacement is

<em>d</em> = <em>d</em>₁ + <em>d</em>₂ + <em>d</em>₃

<em>d</em> ≈ (287.5 m) <em>i</em> + (458.25 m) <em>j</em>

and its magnitude is

|| <em>d</em> || = √[ (287.5 m)² + (458.25 m)² ] ≈ 540.973 m ≈ 541 m

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