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Forces (Laws of motion (Newtons 1st (Resultant force is needed (start…
Forces
Laws of motion
Newtons 1st
Resultant force is needed
start moving
speed up
slow down
Resultant force is 0
stationary will remain stationary
moving object continue same velocity
non-0 resultant force
acceleration in direction of force
starting
stopping
speeding up
slowing down
changing direction
Newtons 2nd
F ∝ a
the larger F, the greater tha a
F (N) = m (kg) X a (m/s2)
a is inversely proportional to m for fixed F
object with larger m will accelerate < smaller m
Large Decelerations can be dangerous