Forces and Motion

Worked examples (4)

• 1Average speed from data table (3 marks, Paper 1)
• 2Reading a velocity-time graph (5 marks, Paper 1)
• 3Using $v^2 = u^2 + 2as$ (4 marks, Paper 1)
• 4Required practical: motion of a toy car (6 marks, Paper 1)

Worked examples (7)

• 1Applying $F = ma$ (4 marks, Paper 1)
• 2Weight and mass — same object on Earth and Mars (3 marks, Paper 1)
• 3Hooke's law and spring constant (5 marks, Paper 1)
• 4Stopping distance components (4 marks, Paper 1)
• 5Conservation of momentum in a collision (6 marks, Paper 2 — P content)
• 6$F = (mv - mu)/t$ for a stopping car (5 marks, Paper 2 — P content)
• 7Principle of moments — a balanced beam (6 marks, Paper 2 — P content)