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 |
52%
From NCERT
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. $$20\sqrt3~\text N$$
Subtopic:  Newton's Laws |
80%
From NCERT
NEET - 2023
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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 |
62%
From NCERT
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
Subtopic:  Newton's Laws |
68%
From NCERT
NEET - 2022
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A particle moving with velocity $$\vec{v}$$ is acted by three forces shown by the vector triangle $$\mathrm{PQR}.$$ The velocity of the particle will:

 1 change according to the smallest force $$\mathrm{\overrightarrow{Q R}}$$ 2 increase 3 decrease 4 remain constant

Subtopic:  Newton's Laws |
79%
From NCERT
NEET - 2019
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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 $$\frac{Mv}{2}$$ 4 $$\frac{Mv}{3}$$
Subtopic:  Newton's Laws |
75%
From NCERT
NEET - 2016
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The force $$\mathrm{F}$$ acting on a particle of mass $$\mathrm{m}$$ 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 $$24$$ N-s 2 $$20$$ N-s 3 $$12$$ N-s 4 $$6$$ N-s
Subtopic:  Newton's Laws |
83%
From NCERT
AIPMT - 2014
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A body of mass $$M$$ hits normally a rigid wall with velocity $$v$$ and bounces back with the same velocity. The impulse experienced by the body is:
1.  $$1.5Mv$$
2. $$2Mv$$
3. zero
4. $$Mv$$

Subtopic:  Newton's Laws |
85%
From NCERT
AIPMT - 2011
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An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, the first part 1 kg moving with a velocity of 12 ${\mathrm{ms}}^{-1}$ and the second part 2 kg moving with a velocity of 8 ${\mathrm{ms}}^{-1}$. If the third part flies off with a velocity of 4 ${\mathrm{ms}}^{-1}$, its mass would be:

1. 5 kg
2. 7 kg
3. 17 kg
4. 3 kg

Subtopic:  Newton's Laws |
77%
From NCERT
AIPMT - 2009
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A body, under the action of a force $$\overset{\rightarrow}{F} = 6 \hat{i} - 8 \hat{j} + 10 \hat{k}$$, acquires an acceleration of 1 ms-2. The mass of this body must be:

1. 2 √10 kg

2. 10 kg

3. 20 kg

4. 10 √2 kg

Subtopic:  Newton's Laws |
87%
From NCERT
AIPMT - 2009
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