Laws of Motion-Force and Inertia (NEET Physics): Questions 31 - 36 of 56

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Question number: 31

» Laws of Motion » Force and Inertia

MCQ▾

Question

The roadway bridge over a canal is the form of an arc of a circle of radius 25 m. What is the minimum speed with which a car can cross the bridge without leaving contact with the ground at the highest point (g = 9.8 m/s 2)

Choices

Choice (4) Response

a.

49.49 m/s

b.

17.556 m/s

c.

39.899 m/s

d.

45.76 m/s

Question number: 32

» Laws of Motion » Force and Inertia

MCQ▾

Question

In the above example, the velocity after 2 sec will be - (in m/sec)

Choices

Choice (4) Response

a.

10√3

b.

10

c.

5

d.

5√3

Question number: 33

» Laws of Motion » Force and Inertia

MCQ▾

Question

A body of mass 50 kg is pulled by a rope of length 8 m on a surface by a force of 108N applied at the other end. The force that is acting on 50 kg mass, if the linear density of rope is 0.5 kg/m will be –

Choices

Choice (4) Response

a.

108 N

b.

92 N

c.

116 N

d.

100 N

Question number: 34

» Laws of Motion » Force and Inertia

MCQ▾

Question

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block will be

Choices

Choice (4) Response

a.

P

b.

PmM+m

c.

mPM+m

d.

MPM+m

Question number: 35

» Laws of Motion » Force and Inertia

MCQ▾

Question

Two blocks of mass m = 1 kg and M = 2 kg are in contact on a frictionless table. A horizontal force F (= 3N) is applied to m. The force of contact between the blocks, will be

Choices

Choice (4) Response

a.

4N

b.

IN

c.

2N

d.

5N

Question number: 36

» Laws of Motion » Force and Inertia

MCQ▾

Question

A force of 100 N acts in the direction as shown in figure on a block of mass 10 kg resting on a smooth horizontal table. The speed acquired by the block after it has moved a distance of 10 m, will be - (in m/sec) (g = 10 m/sec 2)

 Force of 100N acts on the block

Force of 100N Acts on the Block

Speed acquired by the block after it has moved a distance of 10 m

Choices

Choice (4) Response

a.

17 m/sec

b.

1.7 m/sec

c.

13.17 m/sec

d.

1.3 m/sec

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