Two pieces of kryptonite, #1 and #2, have identical masses, but the net force applied to #1 is 400 N and to #2 is 20 N. The acceleration
A) of #1 is larger.
B) of each piece of kryptonite is the same.
C) of #2 is larger.
D) depends on the weight of each piece of kryptonite.

Question

Quizplus · Accepted Answer

The acceleration of an object is directly proportional to the net force applied to it, and inversely proportional to its mass. Since both pieces of kryptonite have identical masses, but the net force applied to #1 is much larger than #2, the acceleration of #1 must be larger.

Two Pieces of Kryptonite, #1 and #2, Have Identical Masses