Motion in Two and Three Dimensions MCQs

Prepare for Motion in Two and Three Dimensions MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

38 Solved Questions • 29 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Motion in Two and Three Dimensions MCQs on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Kinematics (Physics).

100% Verified Answer Keys CSS, PMS, FPSC, PPSC, NTS Ready 2026/2027 Syllabus Guidelines

Direct Definition & Conceptual Scope

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Motion in Two and Three Dimensions constitutes an essential examination topic within Physics, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Solved Questions

Practice with answers, explanations, and exam-focused revision notes.

38 MCQs Page 1

High-Yield Exam Revision Cheat Sheet & Mnemonics

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Topic Notes: Motion in Two and Three Dimensions

Quick Revision 3 min read 13 key points
Section 1 of 4

1 1. Fundamentals of 2D and 3D Motion

4 points
  • Definition
    Position Vector: In 2D or 3D, the position of a particle is defined by a vector r = xi + yj + zk, where x, y, and z are coordinates relative to an origin.
  • Definition
    Displacement Vector: The change in position, Δr = (x2-x1)i + (y2-y1)j + (z2-z1)k, representing the straight-line distance between two points regardless of the path taken.
  • Definition
    Average Velocity: Defined as the ratio of total displacement to the total time interval (v_avg = Δr/Δt). It is a vector quantity pointing in the direction of the displacement.
  • Definition
    Azimuthal Angle: In spherical coordinates, the azimuth is the angle measured from a reference direction (usually North) in the horizontal plane, used to define orientation in 3D space.
Section 1 / 4
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1
A spring of force constant k is cut into three equal parts. The force constant of each part will be
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2
A spring of force constant k is cut into three equal parts, which are joined in parallel to each other. The force constant of the combination will be
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3
On investigation of light from three different stars A, B and C, it was found that in the spectrum of A the intensity of red colour is maximum, in B the intensity of blue colour is maximum and in C the intensity of yellow colour is maximum. From these observations it can be concluded that
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4
144. Three resistors are connected to form the sides of a triangle ABC. The resistance of side AB is 20 Ω, of side BC 30 Ω and of side CA 50 Ω. The effective resistance between points A and B is
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5
Three resistors each having value R are connected as shown in the figure. What is the equivalent resistance between X and Y?
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6
If the distance between two charges is doubled, the force between them will become:
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7
Three charges 4q, Q and q are placed in a straight line of length l at point 0, l/2 and l respectively. What should be Q in order to make the net force on q to be zero?
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8
Which of the following is basic transistor configuration?
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9
Three semiconductors are arranged in the increasing order of their energy gap as follows. The correct arrangement is
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10
What is the overall gain, if three amplifiers each with a gain of 30 are cascaded?
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Pedagogical Syllabus Blueprint

Motion in Two and Three Dimensions MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Motion in Two and Three Dimensions MCQs consistently constitute a decisive 10% to 25% weightage of the Kinematics paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Motion in Two and Three Dimensions MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Physics, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.