Given below are two statements:
 Assertion (A): For looping a vertical loop of radius $$r,$$ the minimum velocity at lowest point should be $$\sqrt {5gr}.$$ Reason (R): In this event (looping a vertical loop of radius $$r$$), the velocity at the highest point will be zero.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Non Uniform Vertical Circular Motion |
Â 69%
From NCERT
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Given below are two statements:
 Assertion (A): The apparent weight of the car is more when it crosses a concave bridge rather than a convex bridge with the same velocity. Reason (R): The apparent weight of the car means the normal reaction and not the actual weight of the car.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Non Uniform Vertical Circular Motion |
Â 53%
From NCERT
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Given below are two statements:
 Assertion (A): In a non-uniform circular motion, the acceleration of the particle is equal to the vector sum of the tangential acceleration and the centripetal acceleration. Reason (R): The two accelerations are perpendicular to each other.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Non Uniform Vertical Circular Motion |
Â 60%
From NCERT
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Given below are two statements:
 Assertion (A): In a non-uniform circular motion, there are two types of accelerations i.e. centripetal and tangential. Reason (R): Tangential acceleration is responsible to change the speed of the particle moving in a circular motion.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic: Â Non Uniform Vertical Circular Motion |
Â 70%
From NCERT
To view explanation, please take trial in the course.
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Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch