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 |
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Select the correct option based on statements below:
 Assertion (A): Newton's law of action and reaction is a consequence of Newton's law of inertia. Reason (R): Newton's law of inertia implies that any body that is not acted upon by external forces cannot change its state of rest or uniform motion.

 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 |
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 Statement I: (Newton's 1st Law of Motion) Every body continues in its state of rest or of uniform motion in a straight line except in so far as it be compelled by an externally impressed force to act otherwise. Statement II: It is observed that when a car brakes suddenly, the passengers are thrown forward.

 1 Statement I is true, Statement II is true and Statement I is the correct explanation 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.
Subtopic:  Newton's Laws |
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A block of mass M lies at rest on a horizontal table.

Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.

Statement II: The normal reaction is the reaction force, while the weight is the action.

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.

Subtopic:  Newton's Laws |
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Consider the following two statements :

(A) The linear momentum of a particle is independent of the frame of reference.
(B) The kinetic energy of a particle is independent of the frame of reference.

1. Both A and B are true

2. A is true but B is false

3. A is false but B is true

4. both A and B are false

Subtopic:  Newton's Laws |
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A particle is on a smooth horizontal plane. A force F is applied, whose F-t graph is given.

Consider the following statements.
a. At time ${\mathrm{t}}_{1}$, acceleration is constant.
b. Initially the particle must be at rest.
c. At time ${\mathrm{t}}_{2}$, acceleration is constant.
d. The initial acceleration is zero.
Select the correct statement(s):
1. (a), (c)
2. (a), (b), (d)
3. (c), (d)
4. (b), (c)

Subtopic:  Newton's Laws |
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The figure shows the position-time graph of a body of mass 0.04 kg. What is the time between two consecutive impulses received by the body?

1. 2 s

2. 4 s

3. 1 s

4. 3 s

Subtopic:  Newton's Laws |
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Figure shows the position-time graph of a body of mass 0.04 kg. What is the magnitude of each impulse recieved by the  body?

1.

2.

3.

4.

Subtopic:  Newton's Laws |
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Assertion: A body must be at rest even when it is under the action of any number of external forces.
Reason: Vector sum of all external forces is zero.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

Subtopic:  Newton's Laws |
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Assertion: Thrust on a  rocket does not depend only on the rate of decrease of mass.
Reason: Thrust also depends upon the exhaust speed of the gases.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

Subtopic:  Newton's Laws |
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