mechanics

Cards (7)

what is a scalar quantity
a quantity with magnitide only
what is a vector?
a quantity with magnitude and direction
what is a moment
a turning force multiplied by the perpendicular distance from the point to the line of action
what is a couple
a pair of equal and opposite coplanar forces
what is the centre of mass of an object
where all the mass of an object seems to act
area under velocity time graph?
displacement
area under acceleration time graph
velocity