Last Updated Sep 26, 2025

Kinetic Energy Simplified Revision Notes for GCSE Edexcel Physics Combined Science

Revision notes with simplified explanations to understand Kinetic Energy quickly and effectively.

Learn about Kinetic Energy for your GCSE Physics Combined Science Exam. This Revision Note includes a summary of Kinetic Energy for easy recall in your Physics Combined Science exam

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1.1.3 Kinetic Energy

Kinetic Energy

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Kinetic energy is the energy stored in moving objects. Stationary objects have no kinetic energy.

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FORMULA

$$E_k=\frac{1}{2} \times m \times v^2$$

• $Ek$: Kinetic energy (J)
• $m$: Mass (kg)
• $v$: Speed (m/s)

Where m is the mass in kilograms, kg, v is the speed, in metres per second, m/s and the kinetic energy, Ek, in joules, J.

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Example: A car converts chemical energy stored in petrol into a kinetic energy store.

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KEY POINTS Kinetic energy is the energy stored in moving objects.

Stationary objects have no kinetic energy.

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