Asmall diameter lead ball and a large diameter rubber ball are dropped from a tower. the balls hit the ground at the same time. what conclusion can be drawn about the force of gravity?
a) no conclusion can be drawn without more information about the two balls.
b) the rubber ball must have a greater gravitational force because it is larger.
c) the lead ball must have a greater gravitational force because it is more
dense.
d) they must have the same gravitational force because they hit the ground at
the same time.
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