NEET2026Physics-Newton's Laws of Motion
NEET 2026 Physics Dynamics of a Particle MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The magnitude and direction of the acceleration produced in a body of mass 5 kg when two mutually perpendicular forces 8 N and 6 N act on it, are respectively:
A
20 m s⁻²; tan⁻¹ (4/3) with 8 N force
B
2 m s⁻²; tan⁻¹ (3/4) with 6 N force
C
2 m s⁻²; tan⁻¹ (4/3) with 8 N force
D
2 m s⁻²; tan⁻¹ (3/4) with 8 N force
Correct Answer
Option D
Detailed Explanation
The net force F_net = √(6² + 8²) = 10 N. The acceleration a = F_net/m = 10/5 = 2 m/s². The angle θ = tan⁻¹(3/4) from 8 N.
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