Edexcel IGCSE Physics · Spec 1.5-1.7E
Force & Weight: The Equations (Worked Examples)
Worked examples using the force and weight equations.
Physics revision video
Force & Weight: The Equations (Worked Examples)
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Spec 1.5-1.7E
What you need to know
- Use W equals m g to find weight
- Use F equals m a to find a force, mass or acceleration
- Rearrange both equations confidently
Active recall
Quick check
Answer each question before opening the answer.
What is the equation linking force, mass and acceleration?
Force = mass × acceleration (F = m × a).
What is the weight of a 5 kg mass where g = 10 N/kg?
50 N (5 × 10).
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