Physics-Motion and Force (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 34

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Question number: 1

» Physics » Motion and Force

MCQ▾

Question

A helicopter, moving vertically upwards, releases a packet when it is at a certain height above the ground. The packet initially moves upwards for a time t 1 and then falls downwards for a time t 2 until it reaches the ground. Then

Choices

Choice (4) Response

a.

Data insufficient

b.

t1 = t2

c.

t1 < t2

d.

t1 > t2

Question number: 2

» Physics » Motion and Force

MCQ▾

Question

A particle starts from rest, accelerates at 2 m/s 2 for 10 s and then goes for constant speed for 30 s and then decelerates at 4 m/s 2 till it stops. What is the distance travelled by it?

Choices

Choice (4) Response

a.

750 m

b.

700 m

c.

800 m

d.

850 m

Question number: 3

» Physics » Motion and Force

MCQ▾

Question

A dip needle in a plane perpendicular to magnetic meridian will remain

Choices

Choice (4) Response

a.

in any direction

b.

horizontal

c.

vertical

d.

at an angle of dip to the horizontal

Question number: 4

» Physics » Motion and Force

MCQ▾

Question

A person is standing in an elevator. In which situation, he finds his weight less than actual when

Choices

Choice (4) Response

a.

the elevator moves downward with uniform velocity

b.

the elevator moves upward with constant acceleration

c.

the elevator moves upward with uniform velocity

d.

the elevator moves downward with constant acceleration

Question number: 5

» Physics » Motion and Force

MCQ▾

Question

Inertia is that property of a body by virtue of which the body is

Choices

Choice (4) Response

a.

unable to change by itself the direction of motion

b.

unable to change by itself the state of rest and of uniform linear motion

c.

unable to change by itself the state of uniform motion

d.

unable to change by itself the state, the rest

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