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ID#5622 HSC Physics 1st MCQ (Chittagong 2025)

ABXY10mF = 100N

AB ঘূর্ণন অক্ষের সাপেক্ষে XY দণ্ডটির টর্ক কত? (L=10m, F=100N, লম্বভাবে)
ক) $0$
খ) $500 Nm$
গ) $1000 Nm$
ঘ) $10000 Nm$

ব্যাখ্যা

টর্ক $\tau = rF \sin\theta = 10 \times 100 \times \sin(90^\circ) = 1000 Nm$।
Resource Details
Exam HSC
Subject Physics 1st paper
Chapter 4
Board Chittagong
Year 2025

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