Flashcards
Revision cards
Flashcards do conjunto (11)
- 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
Informações
- Descrição
- GCSE Science FlashCards sobre Revision cards, criado por Y10 Y11 em 19-05-2016.
- Criado por
- Y10 Y11
- Visualizações
- 8
- Tags
- Avaliação