Circular motion involves an object moving along a curved path, forming a circle, whereas rectilinear motion occurs along a straight line. In circular motion, the direction of the object continuously changes, unlike in rectilinear motion.
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Rectilinear motion refers to the movement of an object along a straight line. In this type of motion, the object’s position changes in a linear path, with no deviation in direction. It can occur at constant or varying speeds. .
Motion is the change in an object’s position over time relative to a reference point.
Non-standard units are informal measurements like hand spans or footsteps, lacking consistency and accuracy.
We can measure length using tools like rulers, measuring tapes, or meter rods, depending on the object’s size.
Standard units ensure consistency and accuracy in measurements, making communication and comparison easier.
Plants and animals provide most nutrients, but not all. Plants offer vitamins, minerals, and fiber, while animals provide complete proteins and some nutrients like vitamin B12. A varied diet ensures all essential nutrients are obtained.
Food sources providing water include fruits like watermelon and oranges, vegetables such as cucumbers and lettuce, and soups or broths. These foods help hydrate the body while supplying essential nutrients and maintaining overall health.
For a twelve-year-old, a balanced diet could include oatmeal for breakfast, a fruit and yogurt snack, rice with vegetables and lentils for lunch, and whole-grain bread with cheese for dinner. Ensure plenty of water intake.
Nutritional requirements vary by age, activity level, and health conditions. Children need more calories for growth, athletes require extra energy and protein, while individuals with health issues may need specific nutrients or reduced calories.