Forces
what does force equal?
mass x acceleration
what does a lever consist of?
effort force
resistance force
fulcrum
what is the displacement if a swimmer swims an 100m race?
the displacement = 0
what is projectile?
anything that is airborne and once airborne the only forces acting on it are gravity and air
what is force measured in?
newtons
what happens when force is applied to a lever?
it moves a resistance
what are the initial conditions of projectile motion
-speed of release
-relative height of release
give an example of first class lever
examples could include:
see-saw, balance scales, crow-bar, scissors
what does range equal
=Vh x flight time
if a tall person and short person threw a ball the same way, who would throw it further?
the taller person because they're at a higher angle