Physics Revision Flashcards
Physics Test
What is a scalar ?
A quantity with only magnitude
What is a vector ?
A quantity that has both magnitude and direction
What are the 5 scalar quantities ?
Mass
Temperature
Energy
Speed
Distance
What are the 5 Vector quantities ?
Weight
Force
Velocity
Acceleration
Displacement
What are scales represented by ?
Numbers
What are vectors represented by ?
Arrows
What does the length of a vector arrow determine?
The magnitude of the force
What does the direction on a vector arrow represent ?
The Direction
What is a force
A push or pull on a object due to the interaction with another object
What does a Contact force require ?
2 object to be touching
What does a Non-Contact force require ?
The objects don’t need to be touching
What are the 6 Contact forces ?
Friction
Air-Resistance
Tension
Normal Contact
Up Thrust
Thrust
What are the 3 Non-Contact forces ?
Gravitational Force ( weight )
Electrostatic
Magnetic Force
What is the similarity between Non-Contact Forces ?
They all have fields
What are objects on a free body diagram represented by ?
A dot
