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What are Personal Health and Community Health? Class 9 Science Personal Health  Personal health, which is primarily curvilinear in nature, necessitates individual attention. It is sporadic and episodic. The patient is frequently the centre of attention, and a multidisciplinary approach is used to treat him or her. Personal maintenance is frequently exclusive, necessitating patient consent. Similarly, when performing maintenance, doctors exhibit a higher level of priority and respect. Eating nutritious foods, drinking clean water, preserving personal and local hygiene, approving good lives and a healthy lifestyle, engaging in frequent and serene physical activity, and so on are all ways to maintain one's fitness. Community Health On the other hand, community care is mostly concerned with domestic difficulties and collection. It's continual and beneficial. The primary requirements are defensive care and the requirement for public participation. Although it is sensible and has lon

Newton’s Law of Universal Gravitation   According to legend, an apple dropped on Newton's head as he was sitting under an apple tree, prompting him to think of the "Universal Law of Gravitation." This is almost certainly not valid in its details, as it is in all such ways, but we will nowaddress what actually happened.   What really happened with Apple?   he more accurate version of the storey is that Newton started to think along these lines after seeing an apple fall from a tree: Since the apple's velocity varies from zero as it hangs from the tree and moves toward the earth, it is accelerated. As a result, Newton's 2nd Law dictates that there must be a force acting on the apple to induce this acceleration. Let's call this force "gravity," and the resulting acceleration "gravitational acceleration." Then multiply the height of the apple tree by two. Again, we expect the apple to be accelerated toward the earth, implying that the force we