# Laws of Motion-Momentum (NEET Physics): Questions 1 - 6 of 8

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 1

» Laws of Motion » Momentum

MCQ▾

### Question

A force of 2 N is applied on a particle for 2 sec, the change in momentum will be -

### Choices

Choice (4) Response

a.

6 Ns

b.

3 Ns

c.

4 Ns

d.

2 Ns

## Question number: 2

» Laws of Motion » Momentum

Assertion-Reason▾

### Assertion (Ꭺ)

The slope of momentum versus time graph! give us the acceleration.

### Reason (Ꭱ)

Force is given by the rate of change on momentum.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

## Question number: 3

» Laws of Motion » Momentum

MCQ▾

### Question

A force of 4 N is applied on a particle for 3 sec, the change in momentum will be -

### Choices

Choice (4) Response

a.

4 Ns

b.

6 Ns

c.

12 Ns

d.

3 Ns

## Question number: 4

» Laws of Motion » Momentum

MCQ▾

### Question

A boat of mass 1000 kg is moving with a velocity of 5 m/s. A person of mass 60 kg jumps into the boat. The velocity of the boat with the person will be –

### Choices

Choice (4) Response

a.

4.71 cm/s

b.

47.1 m/s

c.

4.71 m/s

d.

47.1 cm/s

## Question number: 5

» Laws of Motion » Momentum

MCQ▾

### Question

A boat of mass 100 kg is moving with a velocity of 5 m/s. A person of mass 50 kg jumps into the boat. The velocity of the boat with the person will be –

### Choices

Choice (4) Response

a.

7.1 cm/s

b.

3.33 m/s

c.

3.71 cm/s

d.

4.48 m/s

## Question number: 6

» Laws of Motion » Momentum

MCQ▾

### Question

A particle of mass 3 kg is moving under the action of a central force whose potential energy is given by U (r) = 10r 3 joule. For what energy and angular momentum will the orbit be a circle of radius 10 m?

### Choices

Choice (4) Response

a.

3.5 x 104 I, 2000 kgm 2 /sec

b.

2.5 x 103 I, 300 kgm 2 /sec

c.

2.5 x 104 J, 3000 kgm 2 /sec

d.

3.5 x 103 J, 300 kgm 2 /sec

f Page