Which of the following statements is correct?a)Motion of soldiers on m...
Motion of a train along a curved track on hills is an example of curvilinear motion.
Curvilinear motion refers to the motion of an object along a curved path. In this case, the train is moving along a curved track on hills, which means it is not moving in a straight line but following a curved path. This type of motion is different from linear motion, where an object moves in a straight line.
Explanation:
Curvilinear motion occurs when an object moves along a curved path. This can happen in various scenarios, such as the motion of a car on a curved road or the motion of a ball thrown in an arc. In the case of a train moving along a curved track on hills, the train is following the shape of the track, which is curved. The train is not moving in a straight line but is instead changing its direction as it follows the track.
When an object is in curvilinear motion, its velocity and acceleration vectors also change as it moves along the curved path. The velocity vector represents the speed and direction of the object, while the acceleration vector represents the rate at which the velocity changes. In the case of the train on a curved track, both the velocity and acceleration vectors will change as the train moves along the curve. This is because the direction of the train's motion is constantly changing, and therefore its velocity and acceleration are also changing.
It is important to note that curvilinear motion is different from circular motion. Circular motion occurs when an object moves in a circle around a fixed point, while curvilinear motion can occur along any curved path, not necessarily a circle.
In conclusion, the motion of a train along a curved track on hills is an example of curvilinear motion because the train is following a curved path instead of moving in a straight line.
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