Dynamics Flashcards
Scalar quantity
definition
A quantity that only requires magnitude
Vector quantity
definition
A quantity that requires both magnitude and direction
What type of quantity is speed?
question
Scalar
What type of quantity is mass?
question
Scalar
What type of quantity is force?
question
Vector
What type of quantity is displacement?
question
Vector
Speed
equation
distance/ time
Velocity
equation
displacement/ time
scalars
Acceleration
equation
Change in speed/ time
vectors
Acceleration
Equation
Change in velocity/ time
Resultant force
definition
The sum/ total of all the forces acting upon an object
Average speed
equation
Total distance/ total time
Acceleration
Definition
The rate of change in speed
Newton’s First Law
Definition
An object at rest will remain at rest unless acted upon by a resultant force
Newton’s Second Law
Force
‘Equation’
Mass x Acceleration
F=ma