Forces & vector diagrams (Edexcel GCSE Physics): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Definition of a force
Definition of a force
A push or pull from interaction with another object
Why forces are vectors
Why forces are vectors
Have both magnitude (size) and direction
Gravitational force
Gravitational force
Force of attraction between two masses
Normal force
Normal force
Support force exerted by a surface
Frictional force
Frictional force
Force resisting motion of surfaces sliding past each other
Tension force
Tension force
Force through string/rope/wire when pulled tight
What vector diagrams show
What vector diagrams show
Forces on an object using arrows
Arrow length in vector diagram
Arrow length in vector diagram
How strong the force is
Arrow direction in vector diagram
Arrow direction in vector diagram
Which way the force pushes or pulls
How to draw forces in scale diagrams
How to draw forces in scale diagrams
To scale and connected tip-to-tail
Resultant force on diagram
Resultant force on diagram
Line from start of first to end of last force (net force)
Equilibrium condition
Equilibrium condition
Resultant force =
Finding missing force method
Finding missing force method
Draw known forces, join end to start, opposite direction
Angle for force components
Angle for force components
Right angles (horizontal & vertical)
Methods to find component sizes
Methods to find component sizes
Scale grid drawing or trigonometry