Explain force magnitude and direction
Describe force as a vector quantity with magnitude and direction.
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Describe force as a vector quantity with magnitude and direction.
Recognise situations where net force is zero.
Recognise situations where net force changes motion.
Explain how friction opposes or supports motion in daily life.
State the law of inertia accurately.
Use everyday examples to explain inertia.
Explain relation between force, mass and acceleration.
Solve numerical problems using F = ma.
Define newton using mass and acceleration.
State action and reaction force pairs accurately.
Explain recoil, walking, swimming or similar examples.
Use all three laws to explain common observations.
Explain why constant velocity requires zero resultant force.
Explain acceleration as the result of unbalanced force.
Develop simple models to manipulate force variables.
Plan fair tests, collect data and communicate force investigation results.
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