iv) A body is moving along circle at constant speed. Which of the following statement is true?
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In circular motion the magnitude of the velocity (orbital) is constant.
Implies magnitude of acceleration is also constant .
Direction isn't constant.
Implies velocity vector is variable.
Implies acceleration vector is also variable.
Both the vectors are directed towards the centre.
The same thing is applicable to force but there are 2 types of forces.
Centrifugal force (away from the centre)
Centripetal force (towards the centre)
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Answer:
Explanation:
(a) There is no acceleration present.
(b) There must be only one force acting on it.
(c) Acceleration is present but has constant magnitude.
(d) Acceleration is present and acts tangent to the circle.
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