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⚡ Forces

Spec 4.5 Paper 2 📙 Higher

📋 Subtopics — click any to open full notes

Scalar and Vector Quantities Spec 6.5.1.1 +

Contact and Non-Contact Forces Spec 6.5.1.2 +

Gravity Spec 6.5.1.3 +

Resultant Forces Spec 6.5.1.4 +

Resolving Forces and Vector Diagrams Spec 6.5.1 (HT only) +

Free Body Diagrams Spec 6.5.1 (HT only) +

Work Done and Energy Transfer Spec 6.5.2 +

Forces and Elasticity Spec 6.5.3 +

Moments, Levers and Gears Spec 6.5.3 (physics only) +

Pressure in a Fluid Spec 6.5.5 (physics only) +

Upthrust and Floating Spec 6.5.5.1.2 (HT only) +

Distance, Speed and Velocity Spec 6.5.4.1.1–6.5.4.1.3 +

Distance–Time Graphs Spec 6.5.4.1.4 +

Acceleration Spec 6.5.4.1.5 +

Newton's Laws of Motion Spec 6.5.4.2.1–6.5.4.2.3 +

Stopping Distance and Braking Spec 6.5.4.3 +

Motion in a Circle Spec 6.5.6 (HT only) +

Momentum Spec 6.5.5.1–6.5.5.2 +

💡 Click a subtopic title or the + button to open the full notes, quiz and examples.

📐 Key Equations

W = mg

W = Fs

F = ke

Moment = Fd

p = F/A

s = vt

a = Δv/t

F = ma

p = mv

⭐ Higher Tier Content

p = F/A for fluids

Terminal velocity

Impulse = FΔt

🔬 Triple Science Extensions

Moments, levers and gears

Pressure in fluids and upthrust

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