Step 4 of 4 · topic
Mechanics
WJEC 1420QS — matched to your course.
Kinematics, forces, momentum, energy and circular motion.
Practical summary · Free notes + Premium practice
Determining g by free fall
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Measure the motion of a freely falling object and determine gravitational acceleration from timed data.
Practical summary · Free notes + Premium practice
Investigating Newton's second law
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Measure how acceleration depends on resultant force and mass.
Topic pack · Free notes + Premium practice
Mechanics
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Use constant-acceleration equations and vector reasoning.
- Apply momentum, impulse and energy methods.
- Analyse forces in circular and resistive motion.
Practical summary · Free notes + Premium practice
Unknown mass using the principle of moments
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Use rotational equilibrium of a beam to determine an unknown mass.
