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WalesCombined Science

Unit 6 Physics 2: Forces and motion

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How are speed and acceleration calculated, and how do we read motion graphs?

Speed and average speed, acceleration, and interpreting distance-time and velocity-time graphs.
A focused answer to the WJEC GCSE Science Double Award Unit 6 topic on motion, covering speed and average speed, acceleration, and how to read and interpret distance-time and velocity-time graphs.
9 min answer →

How do forces affect motion, and what does F = ma tell us?

Balanced and unbalanced (resultant) forces, Newton's laws of motion, and the equation force equals mass times acceleration.
A focused answer to the WJEC GCSE Science Double Award Unit 6 topic on forces, covering balanced and unbalanced (resultant) forces, Newton's laws of motion, and the equation force equals mass times acceleration.
9 min answer →

What affects the stopping distance of a car, and how do safety features protect us?

Thinking, braking and stopping distances, the factors that affect them, and how vehicle safety features reduce injury.
A focused answer to the WJEC GCSE Science Double Award Unit 6 topic on stopping distances, covering thinking, braking and stopping distances, the factors that affect them, and how vehicle safety features reduce injury.
9 min answer →

How are work, power, kinetic and potential energy calculated?

Work done, power, kinetic and gravitational potential energy, and the conservation of energy in mechanical situations.
A focused answer to the WJEC GCSE Science Double Award Unit 6 topic on work and energy, covering work done, power, kinetic and gravitational potential energy, and the conservation of energy in mechanical situations.
9 min answer →