SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the speed of the horses is constantly increasing
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the speed of the horses is constantly decreasing
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the direction of the horses’ motion is constantly changing
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the travel time is different for every ride
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Detailed explanation-1: -The speed of the horses in this carousel is constant, but the horses are accelerating because their direction is changing constantly. Acceleration toward the center of a curved or circular path is called centripetal acceleration.
Detailed explanation-2: -Yes, the merry-go-round is accelerating. Even if the merry-go-round is going around in a circle at constant angular speed, the linear speed constantly changes direction. Angular speed is how fast the body turns while the linear speed is how fast the body is changing the distance it has travelled over time.
Detailed explanation-3: -The centripetal acceleration of an object is defined as the acceleration that is causing it to follow a circular path without a change in it the magnitude of its velocity. Any seat in the merry-go-round is moving in a circular path. Any object moving along a circular path is in a state of acceleration.
Detailed explanation-4: -Does changing direction affect acceleration? A change in velocity is either a change in an object’s speed or its direction. When a moving object changes direction, its velocity changes and it is accelerating. The speed of a horse moving around on a carousel remains constant, but it is constantly changing direction.
Detailed explanation-5: -Acceleration is how fast velocity changes: Speeding up. Slowing down (also called deceleration) Changing direction.