Physics Pivot Academy

Physics Pivot Academy

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Physics Pivot ACADEMY đŸ“˜âš›ī¸

Making Physics simple, smart, and easy to understand.

👨‍đŸĢ Lectures for SSC, HSC & university students
📊 Problem solving | Concepts | MCQ practice
⚡ Learn Physics in a clear and practical way

Instructor: Nur Alam

24/05/2026

āφāϏāϏāĻžāϞāĻžāĻŽā§ āφāϞāĻžāχāϕ⧁āĻŽ āϏāĻŦāĻžāχāϕ⧇! đŸŽ¯
āφāϜāϕ⧇āϰ ā§§ā§­ āύāĻŽā§āĻŦāϰ āĻ•ā§āϞāĻžāϏ⧇ āφāĻŽāϰāĻž āĻāχāϚāĻāϏāϏāĻŋ āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻœā§āĻžāĻžāύ āĻĒā§āϰāĻĨāĻŽ āĻĒāĻ¤ā§āϰ⧇āϰ 'āϭ⧇āĻ•ā§āϟāϰ' āĻ…āĻ§ā§āϝāĻžāϝāĻŧ⧇āϰ āĻĻāĻžāϰ⧁āĻŖ āĻāĻ•āϟāĻŋ āĻ—āĻžāĻŖāĻŋāϤāĻŋāĻ• āϏāĻŽāĻ¸ā§āϝāĻžāϰ āϏāĻŽāĻžāϧāĻžāύ āĻ•āϰ⧇āĻ›āĻŋāĨ¤ āĻāχ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āĻļāĻžāϞ⧁ āĻ¸ā§āϝāĻžāϰ⧇āϰ āĻŦāĻ‡ā§Ÿā§‡āϰ ā§§ā§Ļā§Ŧ āύāĻŽā§āĻŦāϰ āĻĒā§āϰāĻļā§āύ⧇āϰ āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖ āϏāĻŽāĻžāϧāĻžāύ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϏāĻšāϜ āĻ“ āύāĻŋāϖ⧁āρāϤāĻ­āĻžāĻŦ⧇ āĻŦ⧁āĻāĻŋā§Ÿā§‡ āĻĻ⧇āĻ“ā§ŸāĻž āĻšā§Ÿā§‡āϛ⧇āĨ¤ āϝāĻžāϰāĻž āύāĻĻā§€-āύ⧌āĻ•āĻžāϰ āĻŽā§āϝāĻžāĻĨ āύāĻŋā§Ÿā§‡ āĻ•āύāĻĢāĻŋāωāĻļāύ⧇ āĻĨāĻžāϕ⧇āύ, āϤāĻžāĻĻ⧇āϰ āϜāĻ¨ā§āϝ āĻāχ āĻ•ā§āϞāĻžāϏāϟāĻŋ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ!

āĻāχ āĻĒā§āϰāĻļā§āύ⧇ āϭ⧇āĻ•ā§āϟāϰ āĻ¸ā§āĻĨāĻžāύāĻžāĻ™ā§āĻ• āĻŦā§āϝāĻŦāĻ¸ā§āĻĨāĻžāϰ (i, j) āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āύ⧌āĻ•āĻžāϰ āĻŦ⧇āĻ— āĻ“ āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦ⧇āĻ— āĻĻ⧇āĻ“ā§ŸāĻž āφāϛ⧇, āϝāĻž āĻāχāϚāĻāϏāϏāĻŋ āĻĒāϰ⧀āĻ•ā§āώāĻž āĻ•āĻŋāĻ‚āĻŦāĻž āĻāĻĄāĻŽāĻŋāĻļāĻ¨â€”āϏāĻŦ āϜāĻžā§ŸāĻ—āĻžāϰ āϜāĻ¨ā§āϝāχ āϏāĻŽāĻžāύ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖāĨ¤

👉 āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“ āĻĨ⧇āϕ⧇ āϝāĻž āϝāĻž āĻļāĻŋāĻ–āϤ⧇ āĻĒāĻžāϰāĻŦ⧇āύ:
ā§§. āύāĻĻā§€āϰ āϏāĻŽāϤāϞ⧇āϰ āϞāĻŽā§āĻŦ āĻŦāϰāĻžāĻŦāϰ āĻāĻ•āĻ• āϭ⧇āĻ•ā§āϟāϰ āύāĻŋāĻ°ā§āϪ⧟ āĻ•āϰāĻžāϰ āĻāĻ•āĻĻāĻŽ āϏāĻšāϜ āĻŸā§āϰāĻŋāĻ•āĨ¤
⧍. āĻĻ⧁āχāϟāĻŋ āĻ­āĻŋāĻ¨ā§āύ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āϕ⧋āύ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āύ⧌āĻ•āĻžāϟāĻŋ āφāϗ⧇ āĻ…āĻĒāϰ āĻĒāĻžā§œā§‡ āĻĒ⧌āρāĻ›āĻžāĻŦ⧇ āϤāĻžāϰ āύāĻŋāϖ⧁āρāϤ āĻ—āĻžāĻŖāĻŋāϤāĻŋāĻ• āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖāĨ¤

āϤāĻžāχ āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āύāĻž āĻŸā§‡āύ⧇ āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖ āĻĻ⧇āϖ⧁āύ āĻāĻŦāĻ‚ āφāĻĒāύāĻžāϰ āĻŦāĻ¨ā§āϧ⧁āĻĻ⧇āϰ āĻŽā§‡āύāĻļāύ āĻ•āϰ⧇ āĻĻ⧇āĻ–āĻžāϰ āϏ⧁āϝ⧋āĻ— āĻ•āϰ⧇ āĻĻāĻŋāύ!

📌 āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻœā§āĻžāĻžāύ⧇āϰ āĻāĻŽāύ āφāϰāĻ“ āϏāĻšāϜ āĻ“ āφāĻ•āĻ°ā§āώāĻŖā§€ā§Ÿ āϏāĻŽāĻžāϧāĻžāύ āĻĒ⧇āϤ⧇ āφāĻŽāĻžāĻĻ⧇āϰ 'Physics Pivot Academy' āĻĒ⧇āϜāϟāĻŋ āϞāĻžāχāĻ• āĻ“ āĻĢāϞ⧋ āĻ•āϰ⧇ āϰāĻžāϖ⧁āύāĨ¤

[āχāωāϟāĻŋāωāĻŦ⧇ āφāĻŽāĻžāĻĻ⧇āϰ āϏāĻŦ āĻ•ā§āϞāĻžāϏ āĻāĻ•āϏāĻžāĻĨ⧇ āĻĒ⧇āϤ⧇ āĻ•āĻŽā§‡āĻ¨ā§āϟ āĻŦāĻ•ā§āϏ⧇ āĻĻ⧇āĻ“ā§ŸāĻž āϞāĻŋāĻ™ā§āϕ⧇ āĻ•ā§āϞāĻŋāĻ• āĻ•āϰ⧁āύ]

#āĻļāĻžāϞ⧁āĻ¸ā§āϝāĻžāϰ⧇āϰāĻŦāĻ‡ā§Ÿā§‡āϰ⧧ā§Ļā§ŦāύāĻŽā§āĻŦāϰāĻĒā§āϰāĻļā§āύ⧇āϰāϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖāϏāĻŽāĻžāϧāĻžāύ , #āϭ⧇āĻ•ā§āϟāϰāύāĻĻā§€āύ⧌āĻ•āĻžāĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻœā§āĻžāĻžāύ⧧āĻŽāĻĒāĻ¤ā§āϰHSC2026HSC2027OnlineClassBDPhysics

22/05/2026

📘 āϏāĻ°ā§āĻŦāύāĻŋāĻŽā§āύ āĻĒāĻĨ⧇ āύāĻĻā§€ āĻĒāĻžāϰāĻžāĻĒāĻžāϰ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āϏāĻ°ā§āĻŦāύāĻŋāĻŽā§āύ āĻĒāĻĨ⧇ āύāĻĻā§€ āĻĒāĻžāϰāĻžāĻĒāĻžāϰ⧇āϰ āĻļāĻ°ā§āϤ
✔ āύ⧌āĻ•āĻžāϰ āĻŦ⧇āĻ— āĻ“ āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦ⧇āĻ—
✔ āϞāĻŦā§āϧāĻŋ āĻŦ⧇āϗ⧇āϰ āĻĻāĻŋāĻ•
✔ shortest path condition
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

📌 āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āĻļāĻ°ā§āϤ:

āύ⧌āĻ•āĻžāϰ āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āωāĻĒāĻžāĻ‚āĻļ = āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦ⧇āĻ—

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

22/05/2026

30 m āĻĒā§āϰāĻ¸ā§āĻĨāĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āϕ⧋āύ⧋ āĻāĻ•āϟāĻŋ āύāĻĻā§€āϤ⧇ āĻāĻ•āϜāύ āĻŽāĻžāĻāĻŋ āύāĻĻā§€āϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āϤ⧀āϰ⧇ āĻĒ⧌āρāĻ›āĻžāϰ āϞāĻ•ā§āĻˇā§āϝ⧇ A āĻŦāĻŋāĻ¨ā§āĻĻ⧁ āĻšāϤ⧇ 16ms
−1
āĻŦ⧇āϗ⧇ āϤ⧀āϰ⧇āϰ āϏāĻžāĻĨ⧇ 30
∘
āϕ⧋āϪ⧇ āĻāĻ•āϟāĻŋ āύ⧌āĻ•āĻž āϚāĻžāϞāύāĻž āĻ•āϰāϞāĨ¤ āύāĻĻā§€āϤ⧇ āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦ⧇āĻ— 8ms
−1
āĨ¤

(i) āύāĻĻā§€ āĻĒāĻžāϰ āĻšāϤ⧇ āύ⧌āĻ•āĻžāϟāĻŋāϰ āĻ•āϤ āϏāĻŽāϝāĻŧ āϞāĻžāĻ—āĻŦ⧇?
(ii) āύāĻĻā§€āϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āϤ⧀āϰ⧇āϰ āĻ āĻŋāĻ• āĻŦāĻŋāĻĒāϰ⧀āϤ āĻŦāĻŋāĻ¨ā§āĻĻ⧁ B-āϤ⧇ āĻĒ⧌āρāĻ›āϤ⧇ āĻšāϞ⧇ āĻŽāĻžāĻāĻŋāϟāĻŋāϕ⧇ āϕ⧀ āĻŦā§āϝāĻŦāĻ¸ā§āĻĨāĻž āĻ—ā§āϰāĻšāĻŖ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇? āĻāϰ āĻāĻ•āϟāĻŋ āĻ—āĻžāĻŖāĻŋāϤāĻŋāĻ• āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ āĻĻāĻžāĻ“āĨ¤

21/05/2026

📘 āύāĻĻā§€āϤ⧇ āύ⧌āĻ•āĻžāϰ āϏāĻŽāĻ¸ā§āϝāĻž (River Boat Problem)

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āĻ¸ā§āϰ⧋āϤ⧇āϰ āĻŦ⧇āĻ—
✔ āύ⧌āĻ•āĻžāϰ āĻŦ⧇āĻ—
✔ āĻĒā§āϰāĻ•ā§ƒāϤ āĻŦ⧇āĻ— āύāĻŋāĻ°ā§āĻŖāϝāĻŧ
✔ āĻ­āĻžāϟāĻŋāϤ⧇ āĻ“ āωāϜāĻžāύ⧇ āĻ—āϤāĻŋ
✔ āϏāϰāĻžāϏāϰāĻŋ āĻ…āĻĒāϰ āĻĒāĻžāϰ⧇ āĻĒ⧌āρāĻ›āĻžāύ⧋āϰ āĻļāĻ°ā§āϤ
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

📌 āĻŦā§āϝāĻŦāĻšā§ƒāϤ āϏ⧂āĻ¤ā§āϰ:

Vr = Vb + Vs

d = Vs × t

Vb sinθ = Vs

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY
Instructor: Nur Alam

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

19/05/2026

📘 āϭ⧇āĻ•ā§āϟāϰ āϰāĻžāĻļāĻŋāϰ āωāĻĒāĻžāĻ‚āĻļ⧇āϰ āϝ⧋āĻ— āĻ“ āĻŦāĻŋāϝāĻŧā§‹āĻ— āĻāĻŦāĻ‚ āĻŽāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āωāĻĒāĻžāĻ‚āĻļ⧇āϰ āϝ⧋āĻ—
✔ āωāĻĒāĻžāĻ‚āĻļ⧇āϰ āĻŦāĻŋāϝāĻŧā§‹āĻ—
✔ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ
✔ Vector component method
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

📌 āĻŦā§āϝāĻŦāĻšā§ƒāϤ āϏ⧂āĻ¤ā§āϰ:
R = √(Rx² + Ry²)

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

#āϭ⧇āĻ•ā§āϟāϰ āϰāĻžāĻļāĻŋāϰ āωāĻĒāĻžāĻ‚āĻļ
#āωāĻĒāĻžāĻ‚āĻļ⧇āϰāϝ⧋āĻ—
#āωāĻĒāĻžāĻ‚āĻļ⧇āϰ
#āĻŦāĻŋāϝāĻŧā§‹āĻ—

18/05/2026

📘 āĻāĻ•āĻ• āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ āϭ⧇āĻ•ā§āϟāϰ āϤ⧈āϰāĻŋ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ Unit Vector (āĻāĻ•āĻ• āϭ⧇āĻ•ā§āϟāϰ)
✔ iĖ‚ āĻ“ jĖ‚ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ vector āϤ⧈āϰāĻŋ
✔ āĻ…āύ⧁āĻ­ā§‚āĻŽāĻŋāĻ• āĻ“ āωāĻ˛ā§āϞāĻŽā§āĻŦ āωāĻĒāĻžāĻ‚āĻļ
✔ R = ai + bj āφāĻ•āĻžāϰ⧇ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻĒā§āϰāĻ•āĻžāĻļ
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

17/05/2026

📘 āĻ¤ā§āϰāĻŋāϭ⧁āĻœā§‡āϰ Sin āϏ⧂āĻ¤ā§āϰ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ āĻāĻ•āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻĻ⧁āϟāĻŋ āωāĻĒāĻžāĻ‚āĻļ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āĻ¤ā§āϰāĻŋāϭ⧁āĻœā§‡āϰ Sin āϏ⧂āĻ¤ā§āϰ
✔ āĻāĻ•āϟāĻŋ vector āĻāϰ āĻĻ⧁āϟāĻŋ āωāĻĒāĻžāĻ‚āĻļ
✔ āĻ…āύ⧁āĻ­ā§‚āĻŽāĻŋāĻ• āĻ“ āωāĻ˛ā§āϞāĻŽā§āĻŦ āωāĻĒāĻžāĻ‚āĻļ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ
✔ āϏāĻšāϜ āĻļāĻ°ā§āϟāĻ•āĻžāϟ āύāĻŋāϝāĻŧāĻŽ
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

16/05/2026

āĻĻ⧁āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āϕ⧋āĻŖ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ | Angle Between Two Vectors
📘 āĻĻ⧁āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āϕ⧋āĻŖ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āĻĻ⧁āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āϕ⧋āĻŖ
✔ āϏāĻšāϜ āωāĻĻāĻžāĻšāϰāĻŖ āĻ“ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

👉 āĻāĻ–āĻžāύ āĻĨ⧇āϕ⧇ θ āĻāϰ āĻŽāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰāĻž āĻšāϝāĻŧāĨ¤

đŸŽ¯ HSC Physics āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

16/05/2026

📘 āϏāĻžāĻŽāĻžāĻ¨ā§āϤāϰāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ āĻ“ āĻ¤ā§āϰāĻŋāϭ⧁āϜ āϏ⧂āĻ¤ā§āϰ⧇āϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ āĻĻ⧁āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŦāĻŋāϝāĻŧā§‹āĻ—

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ Triangle law āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ vector subtraction
✔ Parallelogram law āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ vector subtraction
✔ āϚāĻŋāĻ¤ā§āϰāϏāĻš āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸


, , ,

15/05/2026

📘 āϏāĻžāĻŽāĻžāĻ¨ā§āϤāϰāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ⧇āϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻžāύ āĻ“ āĻĻāĻŋāĻ• āύāĻŋāĻ°ā§āĻŖāϝāĻŧ

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ āϕ⧀
✔ āϏāĻžāĻŽāĻžāĻ¨ā§āϤāϰāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ (Parallelogram Law)
✔ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ
✔ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻĻāĻŋāĻ• āύāĻŋāĻ°ā§āĻŖāϝāĻŧ
✔ āϏāĻšāϜ āϏ⧂āĻ¤ā§āϰ āĻ“ āϚāĻŋāĻ¤ā§āϰāϏāĻš āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

📌 āĻŦā§āϝāĻŦāĻšā§ƒāϤ āϏ⧂āĻ¤ā§āϰ:

R = √(P² + Q² + 2PQ cosα)

tanθ = (Q sinι) / (P + Q cosι)

👉 āĻāĻ–āĻžāύ⧇,
Îą = āĻĻ⧁āϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āϕ⧋āĻŖ
θ = āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻĻāĻŋāĻ•

đŸŽ¯ HSC Physics Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot Academy
Instructor: Nur Alam

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸






#āϏāĻžāĻŽāĻžāĻ¨ā§āϤāϰāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ⧇āϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻžāύ āĻ“ āĻĻāĻŋāĻ• āύāĻŋāĻ°ā§āĻŖāϝāĻŧ

14/05/2026

📘 āϏāĻžāĻŽāĻžāĻ¨ā§āϤāϰāĻŋāĻ• āϏ⧂āĻ¤ā§āϰ⧇āϰ Special Case

āφāϜāϕ⧇āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āφāϞ⧋āϚāύāĻž āĻ•āϰ⧇āĻ›āĻŋ:
✔ Îą = 0° āĻšāϞ⧇ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ
✔ Îą = 90° āĻšāϞ⧇ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ
✔ Îą = 180° āĻšāϞ⧇ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ
✔ āϞāĻŦā§āϧāĻŋ āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻŽāĻžāύ āĻ“ āĻĻāĻŋāĻ•
✔ āϏāĻšāϜ āϏ⧂āĻ¤ā§āϰ āĻ“ āϚāĻŋāĻ¤ā§āϰāϏāĻš āĻŦā§āϝāĻžāĻ–ā§āϝāĻž

📌 āĻŦā§āϝāĻŦāĻšā§ƒāϤ āϏ⧂āĻ¤ā§āϰ:
R = P + Q
R = √(P² + Q²)
R = |P - Q|

đŸŽ¯ HSC Physics āĻāϰ Vector chapter āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āϟāĻĒāĻŋāĻ•āĨ¤

👨‍đŸĢ Physics Pivot ACADEMY
Instructor: Nur Alam

āĻ­āĻŋāĻĄāĻŋāĻ“āϟāĻŋ āĻ­āĻžāϞ⧋ āϞāĻžāĻ—āϞ⧇ Like, Comment & Share āĻ•āϰ⧋ â¤ī¸

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