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The concept of lever is also called “Leverage equilibrium condition”. In order to balance the lever at a fulcrum, the input force (effort) and the output force (load) exerted…
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.
The concept of a catapult:
A catapult applies the concept of lever mechanic. It uses the elasticity of a belt and wood to balance the downward force. The lever arm…
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…
The concept of Newton's Third law:
When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction…
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