IGCSE Physics: Motion, Forces and Energy | Questions by Topic

Past paper questions, key definitions, and mark schemes — all files verified from our archive.

• Speed is the distance travelled per unit time
• Velocity is speed in a given direction
• Acceleration is the rate of change of velocity
• Force = mass × acceleration (F = ma)
• Weight = mass × gravitational field strength (W = mg)
• Momentum = mass × velocity (p = mv)
• Impulse = force × time = change in momentum
• Work done = force × distance moved in direction of force

+ more definitions available in the full revision notes

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