A Bird Sitting on the Limb of a Tree Is

Multiple Choice

A bird sitting on the limb of a tree is moving about 30 km/s with respect to the Sun. If the bird takes 1 second to drop down to a worm below, the worm would be 30 km downrange from the bird when it reached the ground. This faulty reasoning is best countered with Newton's

A) law of inertia.
B) law of gravity.
C) laws of motion.
D) none of the above