# Physics-Motion and Force (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 10 - 14 of 23

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## Question number: 10

» Physics » Motion and Force

MCQ▾

### Question

By blowing between two balloons hanging close to each other, you observe that they come closer. A similar phenomenon is seen in

### Choices

Choice (4) Response

a.

the lifting of balloon filled with

b.

the lifting of an aero plane

c.

take off of rocket

d.

kite flying

## Question number: 11

» Physics » Motion and Force

MCQ▾

### Question

A stone tied to a string is whirled in a circle. As it is revolving, the string suddenly breaks. The stone, then

### Choices

Choice (4) Response

a.

b.

c.

flies off tangentially

d.

moves in a circle of larger radius

## Question number: 12

» Physics » Motion and Force

MCQ▾

### Question

A person moves a certain distance in a certain time. If of the distance is covered in of the time with speed v1 and the rest of the distance in of the time speed v2, then is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 13

» Physics » Motion and Force

MCQ▾

### Question

A stone is dropped into water from a bridge 44.1 m above the water. Another stone is thrown vertically downward 1 s later. Both strike the water simultaneously. What was the initial speed of the second stone?

### Choices

Choice (4) Response

a.

17.15

b.

14.75

c.

12.25

d.

16.23

## Question number: 14

» Physics » Motion and Force

MCQ▾

### Question

A particle is projected up with an initial velocity of 80 ft/s. The ball will attain height of 96 ft from the ground after

### Choices

Choice (4) Response

a.

Only at 15.02 s

b.

After 1 and 2 s

c.

Only at 1.3 s

d.

1.3 and 15.02 s

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