The track the athlete runs on is rectangular, with four straight parts (AB, BC, CD, and DA). The athlete changes direction at the corners to stay on track.
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The athlete needs to change his speed at the corners to keep himself on the track while changing direction.
The athlete runs at a uniform speed on the straight parts of the track (AB, BC, CD, and DA), but he quickly changes his speed at the corners.
The athlete changes his direction of motion four times while completing one round on the rectangular track.
An example of this situation is a car driving around a circular track at a constant speed. Although the speed (magnitude of velocity) remains the same, the direction of the car’s motion is continuously changing, resulting in acceleration.
Yes, an object can accelerate even if its speed remains constant. This happens when there is a change in the direction of its motion. For example, an object moving in a circular path at a constant speed is accelerating because ...
An object is said to be accelerating when its velocity changes. This change can be due to a change in the magnitude of the velocity, the direction of motion, or both.
NCERT Book Poorvi English Class 6 Class 6 English NCERT Chapter 2 Chapter 2 The Unlikely Best Friends Class 6 English Unit 2: The Unlikely Best Friends Session 2024-2025.
Uniform velocity can be understood as having constant magnitude of displacement equal to the distance travelled, as shown along the y-axis of the graph.
The graph of distance travelled against time forms a straight line, such as portion OB indicating the distance increases at a uniform rate.