# 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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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 |
78%
From NCERT
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 $$20$$
Subtopic:  Friction |
63%
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 |
79%
From NCERT
NEET - 2023
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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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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
Subtopic:  Tension & Normal Reaction |
50%
From NCERT
NEET - 2022
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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 |
85%
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 |
62%
From NCERT
NEET - 2022
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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 |
56%
From NCERT
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${s}^{-1}$, then the velocity of the bigger part will be:

1.  $10$ $\sqrt{2}$ $m{s}^{-1}$

2. $\frac{10}{\sqrt{2}}m{s}^{-1}$

3. $15$ $\sqrt{2}$ $m{s}^{-1}$

4.  $\frac{15}{\sqrt{2}}m{s}^{-1}$

Subtopic:  Application of Laws |
82%
From NCERT
AIPMT - 2001
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