# Laws of Motion-Force and Inertia (NEET Physics): Questions 42 - 45 of 57

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## Question number: 42

» Laws of Motion » Force and Inertia

MCQ▾

### Question

A rope of length 25 m and linear density 2 kg/m is lying length wise on a horizontal smooth table. It is pulled by a force of 25 N. The tension in the rope at the point 7 m away from the point of application, will be –

### Choices

Choice (4) Response

a.

11 N

b.

36 N

c.

18 N

d.

All of the above

## Question number: 43

» Laws of Motion » Force and Inertia

MCQ▾

### Question

Choose the correct options -

(1) Inertia. mass (2) 1 newton = 10 5 dyne

(3) Thrust on rocket f = ∆M/∆t v - Mg

(4) Apparent weight of a body in the accelerated lift is W = m (g + a). …, . ,

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1 and 3 are correct

c.

1, 2 and 3 are correct

d.

1 and 2 are correct

## Question number: 44

» Laws of Motion » Force and Inertia

MCQ▾

### Question

Two blocks of mass m = 6 kg and M = 4 kg are in contact on a frictionless table. A horizontal force F (= 5N) is applied to m. The force of contact between the blocks, will be

### Choices

Choice (4) Response

a.

2N

b.

4N

c.

IN

d.

5N

## Question number: 45

» Laws of Motion » Force and Inertia

Assertion-Reason▾

### Assertion (Ꭺ)

In the given figure,

### Reason (Ꭱ)

In the given figure,

### Choices

Choice (4) Response

a.

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

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

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