- 1(current)
Q. No.Statement I: Work done by friction is always negative.
Statement II: Kinetic friction is a non-conservative force.
1. Statement I is true, statement II is true and statement I is the correct reason for statement II.
2. Statement I is true, statement II is true, statement I is not the correct reason for statement II.
3. Statement I is true, statement II is false.
4. Statement I is false, statement II is true.
Statement II is true; Statement II is not the correct explanation of Statement IRead more on Sarthaks.com - https://www.sarthaks.com/196003/this-question-has-statement-and-statement-ii-the-four-choices-given-after-the-statement
Subtopic: Â Concept of Work |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements:
| Assertion (A): | Work done by friction on a body sliding down an inclined plane is negative. |
| Reason (R): | Work done is less than zero if the angle between force and displacement is acute or both are in the same direction. |
| 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 Concept of Work |
 77%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | No work is done when an electron completes a circular orbit around the nucleus of an atom. |
| Reason (R): | Work done by a centripetal force is always 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 Concept of Work |
 81%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | Centripetal force does no work. |
| Reason (R): | Force and displacement 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 Concept of Work |
 86%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | Work done in uniform circular motion is zero. |
| Reason (R): | Force is always directed along displacement. |
| 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 Concept of Work |
 72%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Consider the following Assertion and Reason:
| Assertion (A): | If a man is walking on a rough road, the work done by the frictional force is positive. |
| Reason (R): | Frictional force acts in the direction of the motion of the man. |
| 1. | Both assertion & reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion & reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is a true statement but the reason is false. |
| 4. | Assertion is false but the reason is true. |
Subtopic: Â Concept of Work |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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