Physics Flashcards
1
Q
What is a vector quantity?
A
Size of magnitude with a specific direction
2
Q
What is a scaler quantity?
A
Size of magnitude, but no specific direction
3
Q
What is an example of a scaler quantity
A
Mass, distance, energy, temperature, speed.
4
Q
What is an example of a vector quantity?
A
Force/weight, momentum, acceleration, velocity, displacement.
5
Q
What is velocity?
A
Speed with a direction
6
Q
What is the equation to work out speed?
A
Speed equals distance divided by time
7
Q
what is acceleration?
A
A change in velocity per second (it’s a vector quantity)
8
Q
What is the equation to work out acceleration?
A
Acceleration= change in velocity divided by time taken
9
Q
What is the definition of momentum?
A
the product of mass and velocity
10
Q
What is force?
A
The rate of change in momentum
