The structure of a stretching arm
It uses joints to connect and transfer energy.
In a mechanical motion, energy is transferred in both parallel movement and rotary movement.
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The concept of a telescope:
A telescope applies the concept of light refraction. It uses a magnifying lens to observe a distant object. The convex lens is facing the object…
The concept of Newton's Second law of motion:
Newton's Second law is that the force on an object accelerates its movement. The larger the force, the higher the acceleration. While…
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