Physics-Motion and Force (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 10 - 15 of 32

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Question number: 10

» Physics » Motion and Force

MCQ▾

Question

A rider on horseback falls when horse starts running all of a sudden because

Choices

Choice (4) Response

a.

inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forward with the horse

b.

rider is taken back

c.

rider is suddenly afraid of falling

d.

All of the above

Question number: 11

» Physics » Motion and Force

MCQ▾

Question

A particle is moving on a circular path with constant speed, and then its acceleration will be

Choices

Choice (4) Response

a.

external radial acceleration

b.

internal radial acceleration

c.

zero

d.

constant acceleration

Question number: 12

» Physics » Motion and Force

MCQ▾

Question

In case of uniform circular motion, which of the following physical quantity does not remain constant?

Choices

Choice (4) Response

a.

Mass

b.

Speed

c.

Momentum

d.

Kinetic energy

Question number: 13

» Physics » Motion and Force

MCQ▾

Question

When a body moves with a constant speed along a circle

Choices

Choice (4) Response

a.

no force acts on the body

b.

no acceleration is produced in the body

c.

no work is done on it

d.

its velocity remains constant

Question number: 14

» Physics » Motion and Force

MCQ▾

Question

The lines of force of uniform magnetic field

Choices

Choice (4) Response

a.

intersect

b.

must be convergent

c.

must be parallel to each other

d.

must be divergent

Question number: 15

» Physics » Motion and Force

MCQ▾

Question

The acceleration of a train between two stations 2 km apart is shown in the figure. The maximum speed of the train is

Choices

Choice (4) Response

a.

120ms

b.

30ms

c.

60ms

d.

90ms

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