Physics-Motion and Force (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 6 - 9 of 32

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Question number: 6

» 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: 7

» 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

Question number: 8

» Physics » Motion and Force

MCQ▾

Question

When the speed of a moving body is doubled

Choices

Choice (4) Response

a.

its kinetic energy is doubled

b.

its potential energy is doubled

c.

its acceleration is doubled

d.

its momentum is doubled

Question number: 9

» Physics » Motion and Force

MCQ▾

Question

Which of the following velocity-time graphs represent uniform motion?

Choices

Choice (4) Response

a.

The slope of a velocity-time graph represents - choice a

The Slope of a Velocity-Time Graph Represents - Choice A

When a particle possesses uniform motion, its velocity time graph is straight line parallel to the time axis.

b.

The slope of a velocity-time graph represents - Choice b

The Slope of a Velocity-Time Graph Represents - Choice B

When a particle possesses uniform motion, its velocity time graph is straight line parallel to the time axis.

c.

The slope of a velocity-time graph represents - choice c

The Slope of a Velocity-Time Graph Represents - Choice C

When a particle possesses uniform motion, its velocity time graph is straight line parallel to the time axis.

d.

The slope of a velocity-time graph represents - d

The Slope of a Velocity-Time Graph Represents - D

When a particle possesses uniform motion, its velocity time graph is straight line parallel to the time axis.

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