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  • 1(current)
Q. No.

Given below are two statements: 

Assertion (A): Angular momentum of an isolated system of particles is conserved.
Reason (R): The net torque on an isolated system of particles is zero and the rate of change of angular momentum equals the torque.
 
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. (A) is False but (R) is True.
Subtopic:  Torque |
 80%
From NCERT
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Given below are two statements: 
Assertion (A): A ladder is more apt to slip when you are high up on it than when you just begin to climb.
Reason (R): At high up on a ladder, the torque is large and on climbing up, the torque is small.
 
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:  Torque |
 80%
From NCERT
To view explanation, please take trial in the course.
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Given below are two statements: 
Assertion (A): If there is no external torque on a body about its centre of mass, then the velocity of the centre of mass remains constant.
Reason (R): The linear momentum of an isolated system remains constant.
 
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. (A) is False but (R) is True.
Subtopic:  Torque |
From NCERT
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Hints
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Given below are two statements: 
Assertion (A): The speed of a whirlwind in a tornado is alarmingly high.
Reason (R): If no external torque acts on a body, its angular velocity remains conserved.
  
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:  Torque |
From NCERT
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Hints
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Given below are two statements: 
Assertion (A): A judo fighter in order to throw his opponent onto the mat tries to initially bend his opponent and then rotate him around his hip.
Reason (R): As the mass of the opponent is brought closer to the fighter's hip, the force required to throw the opponent is reduced.
  
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:  Torque |
From NCERT
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Hints
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Given below are two statements: 
Assertion (A): For the body to be in rotational equilibrium, the net torque acting on the body about any point is zero.
Reason (R): For net torque to be zero, net force should also 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:  Torque |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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