Teaching Physics with the Physics Suite
Consider a metal sphere two inches in diameter (S) and a feather (F). For each quantity in the list below indicate the relation between the quantity for S and F. Is it the same, greater, or lesser? Explain in each case why you gave the answer you did.
Note to the instructor: Students often confuse the gravitational force with the gravitational acceleration of an object in free fall (the gravitational field strength). This problem could lead to a useful class discussion.
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Page last modified October 15, 2002: D23