sci
what is a vector?
a quantity that has both magnitude/size and direction
what is a scalar?
an amout of something thats described by its size
what is a scalar quantity
a quantity described only by size because it has no direction of action
what is a vector quantity
a quantity that has both size and direction/movement
what are arrow diagrams used for?
to draw forces associated with a physics problem
what are kinematics
science of describing the motion of objects using words, diagrams, numbers, graphs, and equations
what is speed?
how far an object travels in a given time interval
what is the formula for speed?
distance traveled over time
what is the formula for velocity
final distance over final time
how to converts km to m
times by 1000
minutes to seconds
multiply by 60
hours to minutes
multiply by 60
what is force
a pull or push upon an object from an interaction with another object
what is the formula for force
mass × acceleration
what is acceleration measured in
m/s²
what is the formula for work
Force × Displacement
what is work
somethinf that forces a displacement
what is the unit of force?
N
what is the unit of Displacement
m
what is the unit for work
j
what is power
rate of a certain amout of work that is done
what is the formula for power?
work over time
what is the unit for time
s
what is the unit for power
watts
what is the unit for work
J