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AA 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.

142 questions found

Practice Questions

nmdcat.online AA Physics
Jun 25, 2026
nmdcat.online AA 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
nmdcat.online AA 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
nmdcat.online AA 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
nmdcat.online AA Physics
Jun 25, 2026
nmdcat.online AA 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 ✓
nmdcat.online AA 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
nmdcat.online AA Physics
Jun 25, 2026
nmdcat.online AA Physics
Jun 25, 2026

A displacement vector in the x-y plane has a magnitude of 50 m and makes an angle of 240° with the positive x-axis. Its components are…

A. (Dx=-25 m, Dy=-43.3 m) ✓
B. (Dx=-43.3 m, Dy=-25 m)
C. (Dx=25 m, Dy=-43.3 m)
D. (Dx=43.3 m, Dy=-25 m)
nmdcat.online AA Physics
Jun 25, 2026

If the x-component of a vector is positive and the y-component is negative, the vector lies in the…

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