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Physics

Physics for NMDCAT | NMDcat.online Physics is a key subject in NMDCAT that explains matter, energy, motion, and natural laws. At **NMDcat.online**, we provide clear and concise Physics notes, MCQs, and concept-based explanations according to the latest syllabus. Our content covers all important topics including mechanics, electricity, waves, optics, and modern physics to help students build strong concepts and improve test performance. Study smart with easy-to-understand Physics material designed for NMDCAT success.

92 questions found

Subcategories

📁 Acceleration FORCE AND MOTION 1 📁 Addition of Vectors 1 📁 CURRENT ELECTRICITY 1 📁 DAWN OF MODERN PHYSICS 1 📁 Displacement-time Graph-FORCE AND MOTION 1 📁 ELECTROMAGNETIC INDUCTION 1 📁 ELECTROMAGNETISM 1 📁 ELECTRONICS 1 📁 ELECTROSTATICS 0 📁 FORCE AND MOTION 0 📁 FORCE AND MOTION Displacement 0 📁 FORCE AND MOTION Velocity 0 📁 NUCLEAR PHYSICS 0 📁 Product of Vectors (Scalar Product 0 📁 ROTATIONAL AND CIRCULAR MOTION 0 📁 SPECTRA SPECTRA 0 📁 THERMODYNAMICS 91 📁 VECTORS AND EQUILIBRIUM 0 📁 WAVES 0 📁 WORK AND ENERGY 0

Practice Questions

A man walks 6 m East, then 6 m North. His resultant displacement vector can be described as having a magnitude of…

A. 12 m
B. 6 m
C. 6√2 m ✓
D. 0 m
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nmdcat.online Physics
Jun 25, 2026

A vector has a magnitude of 13 units and its x-component is -5 units. Its y-component could be…

A. 12 units ✓
B. 8 units
C. 18 units
D. 144 units
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nmdcat.online Physics
Jun 25, 2026

Two forces F1 = 8 N at 90° and F2 = 6 N at 180° act on a point. The magnitude of the resultant is…

A. 14 N
B. 2 N
C. 10 N ✓
D. 48 N
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nmdcat.online Physics
Jun 25, 2026

If the resultant of two vectors is to have the maximum possible magnitude, the angle between them must be…

A. 180°
B. 90°
C. 45°
D. 0° ✓
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nmdcat.online Physics
Jun 25, 2026

The direction of the resultant force in the previous question is approximately…

A. 127° ✓
B. 143°
C. 37°
D. 53°
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nmdcat.online Physics
Jun 25, 2026

A force F1 is 20 N at 270°. A force F2 is 10 N at 180°. The x-component of their resultant is…

A. -10 N ✓
B. -20 N
C. 10 N
D. 30 N
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nmdcat.online Physics
Jun 25, 2026

The x-component of the resultant of F1 = 100 N at 30° and F2 = 100 N at 150° is…

A. 0 N ✓
B. 100 N
C. 173.2 N
D. 200 N
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nmdcat.online Physics
Jun 25, 2026

The y-component of the resultant of the forces in the previous question is…

A. -10 N
B. -20 N ✓
C. -30 N
D. 10 N
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nmdcat.online Physics
Jun 25, 2026

The y-component of the resultant of the two forces in the previous question is…

A. 0 N
B. 50 N
C. 100 N ✓
D. 200 N
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nmdcat.online Physics
Jun 25, 2026

The magnitude of the resultant force from the previous two questions (Rx=-10, Ry=-20) is approximately…

A. 30.0 N
B. 10.0 N
C. 22.4 N ✓
D. 15.0 N
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nmdcat.online Physics
Jun 25, 2026

A vector has an x-component of -25 units and a y-component of 45 units. The tangent of its reference angle is…

A. 25/45
B. -0.555555556
C. 45/25 ✓
D. -1.8
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nmdcat.online Physics
Jun 25, 2026

If the sum of two vectors is perpendicular to their difference, the two vectors must…

A. be perpendicular
B. have the same magnitude ✓
C. be parallel
D. have different magnitudes
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nmdcat.online Physics
Jun 25, 2026

A displacement vector has a magnitude of 100 m and a y-component of 86.6 m. If it lies in the second quadrant, its x-component is…

A. +50 m
B. -50 m ✓
C. +86.6 m
D. -86.6 m
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nmdcat.online Physics
Jun 25, 2026

The resultant of three forces F1=10N East, F2=20N North, and F3=10N West is…

A. 20 N North ✓
B. 40 N
C. 20 N South
D. 0 N
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nmdcat.online Physics
Jun 25, 2026

A vector A has magnitude 12 and is at 60°. Vector B has magnitude 8 and is at 300°. The y-component of their resultant is approximately…

A. 10.4
B. 3.5 ✓
C. 18
D. -6.9
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nmdcat.online Physics
Jun 25, 2026

If the resultant of two forces is zero, the forces must be…

A. perpendicular
B. equal in magnitude and opposite in direction ✓
C. parallel and in the same direction
D. of unequal magnitude
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nmdcat.online Physics
Jun 25, 2026

A vector R has components Rx = 15 and Ry = -20. Its magnitude is…

A. 35
B. 5
C. -5
D. 25 ✓
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nmdcat.online Physics
Jun 25, 2026

The direction of the vector R in the previous question is in the…

A. First Quadrant
B. Second Quadrant
C. Third Quadrant
D. Fourth Quadrant ✓
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nmdcat.online Physics
Jun 25, 2026

To make the resultant of forces F1 = (5i + 5j) N and F2 = (-10i + 5j) N equal to zero, a third force F3 must be…

A. (+5i - 10j) N ✓
B. (-5i + 10j) N
C. (+5i + 10j) N
D. (-5i - 10j) N
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nmdcat.online Physics
Jun 25, 2026
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