Question on: JSS2 Basic technology - Forces and Friction
What is the role of friction in everyday tasks, and how can it be managed to enhance efficiency?
Friction is crucial in everyday tasks, providing the necessary resistance for walking, holding objects, and performing manual tasks. For instance, friction between shoes and the ground prevents slipping, and friction between our hands and objects allows us to grip and manipulate them. To manage friction and enhance efficiency, lubricants can be applied to reduce resistance in moving parts, surfaces can be polished to decrease roughness, and rolling elements like wheels can be used to minimise sliding friction. Proper management of friction ensures smooth operation of machines, prolongs the life of components, and reduces energy consumption.
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