IB Physics SL A 2 1 Newtons Three Laws of Motion Questions

Practise drawing force explanations and applying Newton’s laws to equilibrium, acceleration, collisions and motion on slopes.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • State and apply Newton’s first law to identify inertial motion and the conditions for zero resultant force.
  • Use Newton’s second and third laws to relate resultant force, mass and acceleration and to identify equal-and-opposite interaction pairs from complete mark-scheme evidence.

IB Physics SL A 2 1 Newtons Three Laws of Motion Questions question 1

[Maximum number: 2]

A glider is an aircraft with no engine. To be launched, a glider is uniformly accelerated from rest by a cable pulled by a motor that exerts a horizontal force on the glider throughout the launch.

Figure for Question IB Physics SL A 2 1 Newtons Three Laws of Motion Questions question 1 — IB Physics SL

Explain, using appropriate laws of motion, how the forces acting on the glider maintain it in level flight.

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