## 1. Newton’s first law of motion is also known as ?

1. Law of galileo
2. Law of inertia
3. Both (A) and (B)
4. Only B

Memory: No memory available.

## 2. Newton’s second law gives which of the following ?

1. Magnitude of momentum
2. Direction of momentum
3. Magnitude of force
4. Direction of force

Memory: Newton’s first law gives definition of force.

## 3. Each object in universe maintains its initial state of rest or motion in uniform speed along the straight line unless an external force applied on it is known as ?

1. Newton’s 1st law
2. Newton’s 2nd law
3. Newton’s 2rd law
4. None of the above

Memory: No memory available.

## 4. Newton has established laws of motion in his book ?

1. Sidereus Nuncius
2. Micrographia
3. Principia
4. Dioptrice

Memory: The author of ‘Sidereus Nuncius’ is Galileo galilei , The author of ‘Micrographia’ is Robert Hook , and The author of ‘Dioptrice’ is Johanes Keplar.

## 5. Definition of force is obtained from newton’s –

1. 1st law
2. 2nd law
3. 2rd law
4. All of the above

Memory: No memory available.

## 6. ___________ is obtained in the second law.

1. Newton’s 1st law
2. Newton’s 2nd law
3. Newton’s 2rd law
4. None of the above

Memory: No memory available.

## 7. Recoil of a gun is an example of ?

1. Newton’s 1st law
2. Newton’s 2nd Law
3. Newton’s 2rd law
4. All of the above

Memory: No memory available.

## 8. Which of the following describes newton’s second law –

1. Fab = – Fba
2. F = ma
3. F = G*Mm/r2
4. E = mc2

Memory: In the above formula it is clear that, if acceleration is kept constant, increase in force will increase the momentum in same proportion and would take place in the direction of applied force.

## 9. Rocket works on the principle of –

1. Conservation of linear momentum
2. Conservation of energy
3. Universal law of gravitation
4. Center of gravity

Memory: No memory available.

## 10. “Mass is the measure of inertia” it is obtained from –

1. Conservation of energy
2. Conservation of linear momentum
3. Newton’s Second law
4. Newton’s first law

Memory: As per newton’s 2nd law, larger the mass more the inertia will be and vice-versa. So, it is clear, mass is the measure of inertia.

## 11. Which of the following below describes newton’s third law ?

1. F = ma
2. Fab = – Fba
3. I = m(V-u)
4. R = m(g-a)

Memory: As we can see in the formula, the two forces are equal in magnitude but opposite in direction. So, it is evident that, the two forces are none but action and reaction as described by newton’s third law.

To cover all chapters of physics entirely, please visit chapter wise questions and answers on physics.

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