Physics-Motion and Force [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 5 - 9 of 34
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Question 5
Question MCQ▾
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 state of uniform motion | |
b. | unable to change by itself the direction of motion | |
c. | unable to change by itself the state of rest and of uniform linear motion | |
d. | unable to change by itself the state, the rest |
Question 6
Question MCQ▾
When the speed of a moving body is doubled
Choices
Choice (4) | Response | |
---|---|---|
a. | its potential energy is doubled | |
b. | its momentum is doubled | |
c. | its acceleration is doubled | |
d. | its kinetic energy is doubled |
Question 7
Question MCQ▾
A rider on horseback falls when horse starts running all of a sudden because
Choices
Choice (4) | Response | |
---|---|---|
a. | rider is taken back | |
b. | inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forward with the horse | |
c. | rider is suddenly afraid of falling | |
d. | All of the above |
Question 8
Question MCQ▾
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. | constant acceleration | |
c. | zero | |
d. | internal radial acceleration |
Question 9
Question MCQ▾
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. | Kinetic energy | |
d. | Momentum |