Mechanics & vectors · SS2–SS3

Kinematics & dynamics

Motion: speed, velocity and acceleration, motion graphs and Newton’s laws.

Learn

  1. 1Equations of motion and velocity–time graphsMotion in a straight line with constant acceleration: the four equations of motion, retardation, units, and distances from the area under a velocity–time graph.Done18 min
  2. 2Motion under gravity and motion from a formulaBodies thrown up, dropped or thrown down, with g as the acceleration; then motion given by a formula, using differentiation and integration.Done18 min
  3. 3Force and accelerationNewton's second law F = ma with the resultant force, impulse and change of momentum, the reaction in a lift, motion on rough floors and smooth planes, and connected particles over a pulley.Done23 min

Flashcards

13 cards: the rules, facts and methods to know by heart, with the diagrams from the lessons. They come back until you know them.

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Practise

Answer kinematics & dynamics questions one at a time. You'll know straight away whether you're right, with hints and the working step by step.

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Past questions (51)

From 2008–2023: 46 WAEC, 5 NECO. Theory questions first, then objective, newest first.

Theory (40)

Objective (11)