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Q. No.A box of mass \(5 ~\text{kg}\) is pulled by a cord, up along a frictionless plane inclined at \(30^\circ\) with the horizontal. The tension in the cord is \(30~\text N.\) The acceleration of the box is: (take \(g=10~\text{ms}^{-2}\))
| 1. | \(2~\text{ms}^{-2}\) | 2. | zero |
| 3. | \(0.1~\text{ms}^{-2}\) | 4. | \(1~\text{ms}^{-2}\) |
Subtopic: Tension & Normal Reaction |
73%
Level 2: 60%+
NEET - 2024
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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 )
(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 |
56%
Level 3: 35%-60%
NEET - 2022
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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. | \(20\sqrt3~\text N\) |
Subtopic: Newton's Laws |
81%
Level 1: 80%+
NEET - 2023
Hints
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 |
Subtopic: Newton's Laws |
56%
Level 3: 35%-60%
NEET - 2023
Hints
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 |
66%
Level 2: 60%+
NEET - 2022
Hints
A particle moving with velocity \(\vec{v}\) is acted by three forces shown by the vector triangle \({PQR}.\) The velocity of the particle will:
| 1. | change according to the smallest force \({\overrightarrow{Q R}}\) |
| 2. | increase |
| 3. | decrease |
| 4. | remain constant |
Subtopic: Newton's Laws |
80%
Level 1: 80%+
NEET - 2019
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Links
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 |
71%
Level 2: 60%+
NEET - 2022
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A rigid ball of mass \(M\) strikes a rigid wall at \(60^{\circ}\) and gets reflected without loss of speed, as shown in the figure. The value of the impulse imparted by the wall on the ball will be:
| 1. | \(Mv\) | 2. | \(2Mv\) |
| 3. | \(\dfrac{Mv}{2}\) | 4. | \(\dfrac{Mv}{3}\) |
Subtopic: Newton's Laws |
77%
Level 2: 60%+
NEET - 2016
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The force \(F\) acting on a particle of mass \(m\) is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from \(0\) to \(8\) s is:
1. \(24~\text{N-s}\)
2. \(20~\text{N-s}\)
3. \(12~\text{N-s}\)
4. \(6~\text{N-s}\)
Subtopic: Newton's Laws |
84%
Level 1: 80%+
AIPMT - 2014
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A horizontal force \(10~\text N\) is applied to a block \(A\) as shown in figure. The mass of blocks \(A\) and \(B\) are \(2~\text{kg}\) and \(3~\text{kg}\), respectively. The blocks slide over a frictionless surface. The force exerted by block \(A\) on block \(B\) is :
1. \(4~\text N\)
2. \(6~\text N\)
3. \(10~\text N\)
4. zero
1. \(4~\text N\)
2. \(6~\text N\)
3. \(10~\text N\)
4. zero
Subtopic: Application of Laws |
69%
Level 2: 60%+
NEET - 2024
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