a) car driving at steady speed on a straight and level road
b) a car driving at steady speed up a 10 degree incline
c) a car speeding up after leaving a stop sign
d) a car driving at steady speed around a curve
e) a hot air balloon rising straight up at a steady speed
f) a sky diver just after leaping out of a plane
g) the space shuttle orbiting the earth
Are these in Inertial Reference Frames?
a,b,e,f,:yes
poppy
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