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- 1What is a vector Quantity?A quantity that has both size an direction
- 2What is a Scalar?A quantity that only has size but not direction
- 3Examples of VectorsVelocity, acceleration and momentum
- 4Examples of ScalarsEnergy, speed, mass and length
- 5Velocity definitionA measure of how fast an object travels in a particular direction
- 6Speed equationSpeed= distance
time - 7Acceleration definitionRate at which an object speeds up or increases in velocity over time
- 8Acceleration equationAcceleration= change in velocity
time - 9Acceleration unitsa=m/s2
v=m/s-1
u=m/s-1
t=s - 10What is a free body diagram?Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation.
- 11What are action and reaction forces?According to Newton's third law, for every action force there is an equal (in size) and opposite (in direction) reaction force
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- GCSE Science Flashcards on Revision cards, created by Y10 Y11 on 19/05/2016.
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- Y10 Y11
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