Physics-Motion and Force (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 22 - 23 of 23

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Question number: 22

» Physics » Motion and Force

MCQ▾

Question

Consider the following statements

I. Grease is used to reduce friction in bicycle chain.

II. Ball bearings are used to reduce friction in a fan.

III. Oil can be used to increase friction in a car engine.

IV. Talc can be used to reduce friction when an object is sliding on a surface.

Which of the above statement (s) is/are correct?

Choices

Choice (4) Response

a.

I, II, and III

b.

I, III, and IV

c.

I, II, and IV

d.

II, III, and IV

Question number: 23

» Physics » Motion and Force

MCQ▾

Question

Which of the following cuboid will exert maximum pressure, when applied thrust is same?

Choices

Choice (4) Response

a.

A cuboid Choice - A

A Cuboid Choice - a

Find the cuboid which will exert maximum pressure, when applied thrust is same

b.

A cuboid Choice - B

A Cuboid Choice - B

Find the cuboid which will exert maximum pressure, when applied thrust is same

c.

A cuboid Choice - C

A Cuboid Choice - C

Find the cuboid which will exert maximum pressure, when applied thrust is same

d.

A cuboid Choice - D

A Cuboid Choice - D

Find the cuboid which will exert maximum pressure, when applied thrust is same

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