Distance measures the total path traveled by an object, regardless of direction, while displacement measures the shortest straight-line distance between the initial and final positions, considering direction. Distance is scalar, and displacement is vector.
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A proper reference point in motion is important because it allows us to accurately determine and describe the position, distance, and direction of an object’s movement, ensuring clear and consistent measurement of its motion.
Oscillatory motion is back-and-forth movement around a central position, like a pendulum.
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.
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.
We understand hot and cold by measuring the temperature of an object or substance. NCERT Book Curiosity Science Class 6 Chapter 1 The Wonderful World of Science NCERT Science Texbook Session 2024-2025.