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Friction and Applications MCQs

Prepare for Friction and Applications MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Friction and Applications

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

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Master Friction and Applications MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Friction and Applications.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for Friction and Applications MCQs

When preparing for Friction and Applications MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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21
A capillary tube is attached horizontally to a constant pressure head arrangement. If the radius of the capillary tube is increased by 10%, then the rate of flow of the liquid shall change nearly by
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321. If a ladder weighing 250 N is placed against a smooth vertical wall having coefficient of friction between it and floor is 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor?
23
A small steel ball falls through water more slowly than through air primarily because of
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262. A cube of 10 N rests on a rough inclined plane of slope 3 in 5. The coefficient of friction is 0.6. The minimum force necessary to start the cube moving up the plane is
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143. A 40 kg slab rests on a frictionless floor as shown. A 10 kg block rests on the slab. The static coefficient of friction between the block and the slab is 0.60 while the coefficient of kinetic friction is 0.40. The 10 kg block is acted upon by a horizontal force 150 N. If g = 9.8 ms^-2, the resulting acceleration of the slab will be
26
According to Stoke's law, the droplet of mass 'm' moving through a fluid experiences a drag force 'F' given by the relation 6πην:
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148 The product of velocity and cross-sectional area for a liquid flowing through a pipe is a measure of the
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127. The train resistance R (lbs/ton) is measured for the following values of its velocity V (km/hr). V: 20 40 60 80 100; R: 5 9 14 25 36
29
A body of mass 60 kg is dragged with just enough force to start moving on a rough surface with coefficients of static and kinetic friction 0.5 and 0.4 respectively. On applying the same force, what is the acceleration?
30
Motion of a fluid in a tube is best described by