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Q. No.When a body of mass \(m\) just begins to slide as shown, match List-I with List-II:
List-I
List-II
(a)
Normal reaction
(i)
\(P\)
(b)
Frictional force \((f_s)\)
(ii)
\(Q\)
(c)
Weight \((mg)\)
(iii)
\(R\)
(d)
\(mg \mathrm{sin}\theta ~\)
(iv)
\(S\)
Choose the correct answer from the options given below:
(a)
(b)
(c)
(d)
1.
(ii)
(i)
(iii)
(iv)
2.
(iv)
(ii)
(iii)
(i)
3.
(iv)
(iii)
(ii)
(i)
4.
(ii)
(iii)
(iv)
(i)
Subtopic: Application of Laws |
86%
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NEET - 2022
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In the diagram shown, the normal reaction force between \(2\) kg and \(1\) kg blocks is:
(Consider the surface to be smooth and \(g=10\) ms–2 )
1. \(25\) N
2. \(39\) N
3. \(6\) N
4. \(10\) N
(Consider the surface to be smooth and \(g=10\) ms–2 )
1. \(25\) N
2. \(39\) N
3. \(6\) N
4. \(10\) N
Subtopic: Tension & Normal Reaction |
53%
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NEET - 2022
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The distance covered by a body of mass \(5\) g having linear momentum \(0.3\) kg-m/s in \(5\) s is:
1. \(300\) m
2. \(30\) m
3. \(3\) m
4. \(0.3\) m
1. \(300\) m
2. \(30\) m
3. \(3\) m
4. \(0.3\) m
Subtopic: Newton's Laws |
70%
From NCERT
NEET - 2022
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Given below are two statements:
| Assertion (A): | A standing bus suddenly accelerates. If there was no friction between the feet of a passenger and the floor of the bus, the passenger would move back. |
| Reason (R): | In the absence of friction, the floor of the bus would slip forward under the feet of the passenger. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Newton's Laws |
64%
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NEET - 2022
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A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while turning is:
1. along south-west
2. along eastward
3. along northward
4. along north-east
1. along south-west
2. along eastward
3. along northward
4. along north-east
Subtopic: Newton's Laws |
54%
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NEET - 2023
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Calculate the maximum acceleration of a moving car so that a body lying on the floor of the car remains stationary. The coefficient of static friction between the body and the floor is \(0.15\). (take \(g=10\) ms–2)
| 1. | \(50\) ms–2 | 2. | \(1.2\) ms–2 |
| 3. | \(150\) ms–2 | 4. | \(1.5\) ms–2 |
Subtopic: Friction |
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NEET - 2023
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A block of mass \(2\) kg is placed on inclined rough surface \(AC\) (as shown in the figure) of coefficient of friction \(\mu.\) If \(g=10\) ms–1, the net force (in N) on the block will be:
1. \(10\sqrt3\)
2. zero
3. \(10\)
4. \(20\)
1. \(10\sqrt3\)
2. zero
3. \(10\)
4. \(20\)
Subtopic: Friction |
66%
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NEET - 2023
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A \(1\) kg object strikes a wall with velocity \(1\) ms–1 at an angle of \(60^\circ\) with the wall and reflects at the same angle. If it remains in contact with the wall for \(0.1\) s, then the force exerted on the wall is:
1. \(30\sqrt3~\text N\)
2. zero
3. \(10\sqrt3~\text N\)
4. \(20\sqrt3~\text N\)
1. \(30\sqrt3~\text N\)
2. zero
3. \(10\sqrt3~\text N\)
4. \(20\sqrt3~\text N\)
Subtopic: Newton's Laws |
81%
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NEET - 2023
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A ball of mass \(0.15~\text{kg}\) is dropped from a height \(10~\text{m}\), strikes the ground, and rebounds to the same height. The magnitude of impulse imparted to the ball is \((g=10 ~\text{m}/\text{s}^2)\) nearly:
| 1. | \(2.1~\text{kg-m/s}\) | 2. | \(1.4~\text{kg-m/s}\) |
| 3. | \(0~\text{kg-m/s}\) | 4. | \(4.2~\text{kg-m/s}\) |
Subtopic: Application of Laws |
58%
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NEET - 2021
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A 1 kg stationary bomb explodes in three parts having mass 1 : 1 : 3 respectively. If parts having the same mass move in a perpendicular direction with a velocity of 30 m, then the velocity of the bigger part will be:
1.
2.
3.
4.
Subtopic: Application of Laws |
84%
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AIPMT - 2001
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