Scalar And Vector Quantities Flashcards
Definition of a scalar quantities
A physical quantity is something that can be measured, can only have a magnitude or size
What are some examples of scalar quantities ?
Give x4
Temperature
Mass
Energy
Distance
What is a vector quantities?
Have both magnitude and associated direction
What are some examples of vector quantities?
X4
Forces
Displacement
Velocity
Momentum
What is the resultant force ?
Are they easy to calculate ?
A single force that has the same effect as 2 or more forces acting together
Yes when act in straight line
What happens when two forces act in the same direction?
Produce a resultant force that is greater than either individual force
What happens when two forces act in opposite directions ?
Produce a resultant force that is smaller than either individual forces acting together
Now go test ur self on bbc Bitesize forces
Scalar and vector quantities!!!