Physics Pivot Academy
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Physics Pivot ACADEMY đâī¸
Making Physics simple, smart, and easy to understand.
đ¨âđĢ Lectures for SSC, HSC & university students
đ Problem solving | Concepts | MCQ practice
⥠Learn Physics in a clear and practical way
Instructor: Nur Alam
āĻāϏāϏāĻžāϞāĻžāĻŽā§ āĻāϞāĻžāĻāĻā§āĻŽ āϏāĻŦāĻžāĻāĻā§! đ¯
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āϧā§āϝāĻžāϝāĻŧā§āϰ āĻĻāĻžāϰā§āĻŖ āĻāĻāĻāĻŋ āĻāĻžāĻŖāĻŋāϤāĻŋāĻ āϏāĻŽāϏā§āϝāĻžāϰ āϏāĻŽāĻžāϧāĻžāύ āĻāϰā§āĻāĻŋāĨ¤ āĻāĻ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻļāĻžāϞ⧠āϏā§āϝāĻžāϰā§āϰ āĻŦāĻā§ā§āϰ ā§§ā§Ļā§Ŧ āύāĻŽā§āĻŦāϰ āĻĒā§āϰāĻļā§āύā§āϰ āϏāĻŽā§āĻĒā§āϰā§āĻŖ āϏāĻŽāĻžāϧāĻžāύ āĻ
āϤā§āϝāύā§āϤ āϏāĻšāĻ āĻ āύāĻŋāĻā§āĻāϤāĻāĻžāĻŦā§ āĻŦā§āĻāĻŋā§ā§ āĻĻā§āĻā§āĻž āĻšā§ā§āĻā§āĨ¤ āϝāĻžāϰāĻž āύāĻĻā§-āύā§āĻāĻžāϰ āĻŽā§āϝāĻžāĻĨ āύāĻŋā§ā§ āĻāύāĻĢāĻŋāĻāĻļāύ⧠āĻĨāĻžāĻā§āύ, āϤāĻžāĻĻā§āϰ āĻāύā§āϝ āĻāĻ āĻā§āϞāĻžāϏāĻāĻŋ āĻ
āϤā§āϝāύā§āϤ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ!
āĻāĻ āĻĒā§āϰāĻļā§āύ⧠āĻā§āĻā§āĻāϰ āϏā§āĻĨāĻžāύāĻžāĻā§āĻ āĻŦā§āϝāĻŦāϏā§āĻĨāĻžāϰ (i, j) āĻŽāĻžāϧā§āϝāĻŽā§ āύā§āĻāĻžāϰ āĻŦā§āĻ āĻ āϏā§āϰā§āϤā§āϰ āĻŦā§āĻ āĻĻā§āĻā§āĻž āĻāĻā§, āϝāĻž āĻāĻāĻāĻāϏāϏāĻŋ āĻĒāϰā§āĻā§āώāĻž āĻāĻŋāĻāĻŦāĻž āĻāĻĄāĻŽāĻŋāĻļāύâāϏāĻŦ āĻāĻžā§āĻāĻžāϰ āĻāύā§āϝāĻ āϏāĻŽāĻžāύ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖāĨ¤
đ āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻ āĻĨā§āĻā§ āϝāĻž āϝāĻž āĻļāĻŋāĻāϤ⧠āĻĒāĻžāϰāĻŦā§āύ:
ā§§. āύāĻĻā§āϰ āϏāĻŽāϤāϞā§āϰ āϞāĻŽā§āĻŦ āĻŦāϰāĻžāĻŦāϰ āĻāĻāĻ āĻā§āĻā§āĻāϰ āύāĻŋāϰā§āĻŖā§ āĻāϰāĻžāϰ āĻāĻāĻĻāĻŽ āϏāĻšāĻ āĻā§āϰāĻŋāĻāĨ¤
⧍. āĻĻā§āĻāĻāĻŋ āĻāĻŋāύā§āύ āĻā§āώā§āϤā§āϰā§āϰ āĻŽāϧā§āϝ⧠āĻā§āύ āĻā§āώā§āϤā§āϰ⧠āύā§āĻāĻžāĻāĻŋ āĻāĻā§ āĻ
āĻĒāϰ āĻĒāĻžā§ā§ āĻĒā§āĻāĻāĻžāĻŦā§ āϤāĻžāϰ āύāĻŋāĻā§āĻāϤ āĻāĻžāĻŖāĻŋāϤāĻŋāĻ āĻŦāĻŋāĻļā§āϞā§āώāĻŖāĨ¤
āϤāĻžāĻ āĻāĻŋāĻĄāĻŋāĻāĻāĻŋ āύāĻž āĻā§āύ⧠āϏāĻŽā§āĻĒā§āϰā§āĻŖ āĻĻā§āĻā§āύ āĻāĻŦāĻ āĻāĻĒāύāĻžāϰ āĻŦāύā§āϧā§āĻĻā§āϰ āĻŽā§āύāĻļāύ āĻāϰ⧠āĻĻā§āĻāĻžāϰ āϏā§āϝā§āĻ āĻāϰ⧠āĻĻāĻŋāύ!
đ āĻĒāĻĻāĻžāϰā§āĻĨāĻŦāĻŋāĻā§āĻāĻžāύā§āϰ āĻāĻŽāύ āĻāϰāĻ āϏāĻšāĻ āĻ āĻāĻāϰā§āώāĻŖā§ā§ āϏāĻŽāĻžāϧāĻžāύ āĻĒā§āϤ⧠āĻāĻŽāĻžāĻĻā§āϰ 'Physics Pivot Academy' āĻĒā§āĻāĻāĻŋ āϞāĻžāĻāĻ āĻ āĻĢāϞ⧠āĻāϰ⧠āϰāĻžāĻā§āύāĨ¤
[āĻāĻāĻāĻŋāĻāĻŦā§ āĻāĻŽāĻžāĻĻā§āϰ āϏāĻŦ āĻā§āϞāĻžāϏ āĻāĻāϏāĻžāĻĨā§ āĻĒā§āϤ⧠āĻāĻŽā§āύā§āĻ āĻŦāĻā§āϏ⧠āĻĻā§āĻā§āĻž āϞāĻŋāĻā§āĻā§ āĻā§āϞāĻŋāĻ āĻāϰā§āύ]
#āĻļāĻžāϞā§āϏā§āϝāĻžāϰā§āϰāĻŦāĻā§ā§āϰ⧧ā§Ļā§ŦāύāĻŽā§āĻŦāϰāĻĒā§āϰāĻļā§āύā§āϰāϏāĻŽā§āĻĒā§āϰā§āĻŖāϏāĻŽāĻžāϧāĻžāύ , #āĻā§āĻā§āĻāϰāύāĻĻā§āύā§āĻāĻžāĻĒāĻĻāĻžāϰā§āĻĨāĻŦāĻŋāĻā§āĻāĻžāύ⧧āĻŽāĻĒāϤā§āϰHSC2026HSC2027OnlineClassBDPhysics
đ āϏāϰā§āĻŦāύāĻŋāĻŽā§āύ āĻĒāĻĨā§ āύāĻĻā§ āĻĒāĻžāϰāĻžāĻĒāĻžāϰ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āϏāϰā§āĻŦāύāĻŋāĻŽā§āύ āĻĒāĻĨā§ āύāĻĻā§ āĻĒāĻžāϰāĻžāĻĒāĻžāϰā§āϰ āĻļāϰā§āϤ
â āύā§āĻāĻžāϰ āĻŦā§āĻ āĻ āϏā§āϰā§āϤā§āϰ āĻŦā§āĻ
â āϞāĻŦā§āϧāĻŋ āĻŦā§āĻā§āϰ āĻĻāĻŋāĻ
â shortest path condition
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻļāϰā§āϤ:
āύā§āĻāĻžāϰ āϏā§āϰā§āϤā§āϰ āĻŦāĻŋāĻĒāϰā§āϤ āĻāĻĒāĻžāĻāĻļ = āϏā§āϰā§āϤā§āϰ āĻŦā§āĻ
đ¯ HSC Physics Vector chapter āĻāϰ āĻ
āϤā§āϝāύā§āϤ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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30 m āĻĒā§āϰāϏā§āĻĨāĻŦāĻŋāĻļāĻŋāώā§āĻ āĻā§āύ⧠āĻāĻāĻāĻŋ āύāĻĻā§āϤ⧠āĻāĻāĻāύ āĻŽāĻžāĻāĻŋ āύāĻĻā§āϰ āĻŦāĻŋāĻĒāϰā§āϤ āϤā§āϰ⧠āĻĒā§āĻāĻāĻžāϰ āϞāĻā§āώā§āϝ⧠A āĻŦāĻŋāύā§āĻĻā§ āĻšāϤ⧠16ms
â1
āĻŦā§āĻā§ āϤā§āϰā§āϰ āϏāĻžāĻĨā§ 30
â
āĻā§āĻŖā§ āĻāĻāĻāĻŋ āύā§āĻāĻž āĻāĻžāϞāύāĻž āĻāϰāϞāĨ¤ āύāĻĻā§āϤ⧠āϏā§āϰā§āϤā§āϰ āĻŦā§āĻ 8ms
â1
āĨ¤
(i) āύāĻĻā§ āĻĒāĻžāϰ āĻšāϤ⧠āύā§āĻāĻžāĻāĻŋāϰ āĻāϤ āϏāĻŽāϝāĻŧ āϞāĻžāĻāĻŦā§?
(ii) āύāĻĻā§āϰ āĻŦāĻŋāĻĒāϰā§āϤ āϤā§āϰā§āϰ āĻ āĻŋāĻ āĻŦāĻŋāĻĒāϰā§āϤ āĻŦāĻŋāύā§āĻĻā§ B-āϤ⧠āĻĒā§āĻāĻāϤ⧠āĻšāϞ⧠āĻŽāĻžāĻāĻŋāĻāĻŋāĻā§ āĻā§ āĻŦā§āϝāĻŦāϏā§āĻĨāĻž āĻā§āϰāĻšāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§? āĻāϰ āĻāĻāĻāĻŋ āĻāĻžāĻŖāĻŋāϤāĻŋāĻ āĻŦāĻŋāĻļā§āϞā§āώāĻŖ āĻĻāĻžāĻāĨ¤
đ āύāĻĻā§āϤ⧠āύā§āĻāĻžāϰ āϏāĻŽāϏā§āϝāĻž (River Boat Problem)
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āϏā§āϰā§āϤā§āϰ āĻŦā§āĻ
â āύā§āĻāĻžāϰ āĻŦā§āĻ
â āĻĒā§āϰāĻā§āϤ āĻŦā§āĻ āύāĻŋāϰā§āĻŖāϝāĻŧ
â āĻāĻžāĻāĻŋāϤ⧠āĻ āĻāĻāĻžāύ⧠āĻāϤāĻŋ
â āϏāϰāĻžāϏāϰāĻŋ āĻ
āĻĒāϰ āĻĒāĻžāϰ⧠āĻĒā§āĻāĻāĻžāύā§āϰ āĻļāϰā§āϤ
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻŦā§āϝāĻŦāĻšā§āϤ āϏā§āϤā§āϰ:
Vr = Vb + Vs
d = Vs à t
Vb sinθ = Vs
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
Instructor: Nur Alam
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đ āĻā§āĻā§āĻāϰ āϰāĻžāĻļāĻŋāϰ āĻāĻĒāĻžāĻāĻļā§āϰ āϝā§āĻ āĻ āĻŦāĻŋāϝāĻŧā§āĻ āĻāĻŦāĻ āĻŽāĻžāύ āύāĻŋāϰā§āĻŖāϝāĻŧ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āĻāĻĒāĻžāĻāĻļā§āϰ āϝā§āĻ
â āĻāĻĒāĻžāĻāĻļā§āϰ āĻŦāĻŋāϝāĻŧā§āĻ
â āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāĻžāύ āύāĻŋāϰā§āĻŖāϝāĻŧ
â Vector component method
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻŦā§āϝāĻŦāĻšā§āϤ āϏā§āϤā§āϰ:
R = â(Rx² + Ry²)
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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#āĻā§āĻā§āĻāϰ āϰāĻžāĻļāĻŋāϰ āĻāĻĒāĻžāĻāĻļ
#āĻāĻĒāĻžāĻāĻļā§āϰāϝā§āĻ
#āĻāĻĒāĻžāĻāĻļā§āϰ
#āĻŦāĻŋāϝāĻŧā§āĻ
đ āĻāĻāĻ āĻā§āĻā§āĻāϰā§āϰ āϏāĻžāĻšāĻžāϝā§āϝ⧠āĻā§āĻā§āĻāϰ āϤā§āϰāĻŋ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â Unit Vector (āĻāĻāĻ āĻā§āĻā§āĻāϰ)
â iĖ āĻ jĖ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠vector āϤā§āϰāĻŋ
â āĻ
āύā§āĻā§āĻŽāĻŋāĻ āĻ āĻāϞā§āϞāĻŽā§āĻŦ āĻāĻĒāĻžāĻāĻļ
â R = ai + bj āĻāĻāĻžāϰ⧠āĻā§āĻā§āĻāϰā§āϰ āĻĒā§āϰāĻāĻžāĻļ
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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đ āϤā§āϰāĻŋāĻā§āĻā§āϰ Sin āϏā§āϤā§āϰ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠āĻāĻāĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻĻā§āĻāĻŋ āĻāĻĒāĻžāĻāĻļ āύāĻŋāϰā§āĻŖāϝāĻŧ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āϤā§āϰāĻŋāĻā§āĻā§āϰ Sin āϏā§āϤā§āϰ
â āĻāĻāĻāĻŋ vector āĻāϰ āĻĻā§āĻāĻŋ āĻāĻĒāĻžāĻāĻļ
â āĻ
āύā§āĻā§āĻŽāĻŋāĻ āĻ āĻāϞā§āϞāĻŽā§āĻŦ āĻāĻĒāĻžāĻāĻļ āύāĻŋāϰā§āĻŖāϝāĻŧ
â āϏāĻšāĻ āĻļāϰā§āĻāĻāĻžāĻ āύāĻŋāϝāĻŧāĻŽ
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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āĻĻā§āĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāϧā§āϝāĻŦāϰā§āϤ⧠āĻā§āĻŖ āύāĻŋāϰā§āĻŖāϝāĻŧ | Angle Between Two Vectors
đ āĻĻā§āĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāϧā§āϝāĻŦāϰā§āϤ⧠āĻā§āĻŖ āύāĻŋāϰā§āĻŖāϝāĻŧ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āĻĻā§āĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāϧā§āϝāĻŦāϰā§āϤ⧠āĻā§āĻŖ
â āϏāĻšāĻ āĻāĻĻāĻžāĻšāϰāĻŖ āĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻāĻāĻžāύ āĻĨā§āĻā§ Î¸ āĻāϰ āĻŽāĻžāύ āύāĻŋāϰā§āĻŖāϝāĻŧ āĻāϰāĻž āĻšāϝāĻŧāĨ¤
đ¯ HSC Physics āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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đ āϏāĻžāĻŽāĻžāύā§āϤāϰāĻŋāĻ āϏā§āϤā§āϰ āĻ āϤā§āϰāĻŋāĻā§āĻ āϏā§āϤā§āϰā§āϰ āϏāĻžāĻšāĻžāϝā§āϝ⧠āĻĻā§āĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŦāĻŋāϝāĻŧā§āĻ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â Triangle law āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠vector subtraction
â Parallelogram law āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠vector subtraction
â āĻāĻŋāϤā§āϰāϏāĻš āϏāĻšāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
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, , ,
đ āϏāĻžāĻŽāĻžāύā§āϤāϰāĻŋāĻ āϏā§āϤā§āϰā§āϰ āϏāĻžāĻšāĻžāϝā§āϝ⧠āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāĻžāύ āĻ āĻĻāĻŋāĻ āύāĻŋāϰā§āĻŖāϝāĻŧ
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰ āĻā§
â āϏāĻžāĻŽāĻžāύā§āϤāϰāĻŋāĻ āϏā§āϤā§āϰ (Parallelogram Law)
â āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāĻžāύ āύāĻŋāϰā§āĻŖāϝāĻŧ
â āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻĻāĻŋāĻ āύāĻŋāϰā§āĻŖāϝāĻŧ
â āϏāĻšāĻ āϏā§āϤā§āϰ āĻ āĻāĻŋāϤā§āϰāϏāĻš āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻŦā§āϝāĻŦāĻšā§āϤ āϏā§āϤā§āϰ:
R = â(P² + Q² + 2PQ cosÎą)
tanθ = (Q sinι) / (P + Q cosι)
đ āĻāĻāĻžāύā§,
Îą = āĻĻā§āĻāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāϧā§āϝāĻŦāϰā§āϤ⧠āĻā§āĻŖ
θ = āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻĻāĻŋāĻ
đ¯ HSC Physics Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot Academy
Instructor: Nur Alam
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#āϏāĻžāĻŽāĻžāύā§āϤāϰāĻŋāĻ āϏā§āϤā§āϰā§āϰ āϏāĻžāĻšāĻžāϝā§āϝ⧠āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāĻžāύ āĻ āĻĻāĻŋāĻ āύāĻŋāϰā§āĻŖāϝāĻŧ
đ āϏāĻžāĻŽāĻžāύā§āϤāϰāĻŋāĻ āϏā§āϤā§āϰā§āϰ Special Case
āĻāĻāĻā§āϰ āĻāĻŋāĻĄāĻŋāĻāϤ⧠āĻāϞā§āĻāύāĻž āĻāϰā§āĻāĻŋ:
â Îą = 0° āĻšāϞ⧠āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰ
â Îą = 90° āĻšāϞ⧠āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰ
â Îą = 180° āĻšāϞ⧠āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰ
â āϞāĻŦā§āϧāĻŋ āĻā§āĻā§āĻāϰā§āϰ āĻŽāĻžāύ āĻ āĻĻāĻŋāĻ
â āϏāĻšāĻ āϏā§āϤā§āϰ āĻ āĻāĻŋāϤā§āϰāϏāĻš āĻŦā§āϝāĻžāĻā§āϝāĻž
đ āĻŦā§āϝāĻŦāĻšā§āϤ āϏā§āϤā§āϰ:
R = P + Q
R = â(P² + Q²)
R = |P - Q|
đ¯ HSC Physics āĻāϰ Vector chapter āĻāϰ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻĒāĻŋāĻāĨ¤
đ¨âđĢ Physics Pivot ACADEMY
Instructor: Nur Alam
āĻāĻŋāĻĄāĻŋāĻāĻāĻŋ āĻāĻžāϞ⧠āϞāĻžāĻāϞ⧠Like, Comment & Share āĻāϰ⧠â¤ī¸
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