Forces Flashcards
what are forces
vectors taht can be added by means of a vector triangle, resultant found by a scale drawing
object in equilibrium has
equal clockwise and anti clockwise moments
triangle of forces
closed triangle drawn for objects in equilibrum
equilibrium
object at rest or in constant motion
res force = 0
non contact forces
gravity
electricity
magnetic
contact forces
friction
tension
what 2 effects does every force have
horizontal and vertical component
how to solve a vector
split into 2 components at right angles
properties of a torque
parallel forces
equal magnitude
separated by a distance
what is a torque
moment of acouple
difference between a torque and a couple
T: moment of a couple
C: equal forces in opposite directions.
when calculating with a torque use
RADIUS OF THE OBJECT
center of gravity
part of object where all its weight acts
